161999838

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 256

約数和(自身を含む): 502548480

約数和(自身を除く): 340548642

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 37, 39, 42, 54, 63, 66, 74, 77, 78, 81, 91, 99, 111, 117, 126, 143, 154, 162, 182, 189, 198, 222, 231, 234, 243, 259, 273, 286, 297, 333, 351, 378, 407, 429, 462, 481, 486, 518, 546, 567, 594, 666, 693, 702, 729, 777, 814, 819, 858, 891, 962, 999, 1001, 1053, 1134, 1221, 1287, 1386, 1443, 1458, 1554, 1638, 1701, 1782, 1998, 2002, 2079, 2106, 2187, 2331, 2442, 2457, 2574, 2673, 2849, 2886, 2997, 3003, 3159, 3367, 3402, 3663, 3861, 4158, 4329, 4374, 4662, 4914, 5103, 5291, 5346, 5698, 5994, 6006, 6237, 6318, 6734, 6993, 7326, 7371, 7722, 8019, 8547, 8658, 8991, 9009, 9477, 10101, 10206, 10582, 10989, 11583, 12474, 12987, 13986, 14742, 15309, 15873, 16038, 17094, 17982, 18018, 18711, 18954, 20202, 20979, 21978, 22113, 23166, 24057, 25641, 25974, 26973, 27027, 28431, 30303, 30618, 31746, 32967, 34749, 37037, 37422, 38961, 41958, 44226, 47619, 48114, 51282, 53946, 54054, 56133, 56862, 60606, 62937, 65934, 66339, 69498, 74074, 76923, 77922, 80919, 81081, 90909, 95238, 98901, 104247, 111111, 112266, 116883, 125874, 132678, 142857, 153846, 161838, 162162, 168399, 181818, 188811, 197802, 199017, 208494, 222222, 230769, 233766, 243243, 272727, 285714, 296703, 312741, 333333, 336798, 350649, 377622, 398034, 428571, 461538, 486486, 545454, 566433, 593406, 625482, 666666, 692307, 701298, 729729, 818181, 857142, 890109, 999999, 1051947, 1132866, 1285713, 1384614, 1459458, 1636362, 1780218, 1999998, 2076921, 2103894, 2189187, 2454543, 2571426, 2999997, 3857139, 4153842, 4378374, 4909086, 5999994, 6230763, 7363629, 7714278, 8999991, 11571417, 12461526, 14727258, 17999982, 23142834, 26999973, 53999946, 80999919, 161999838]

約数ペア:

[(1, 161999838), (2, 80999919), (3, 53999946), (6, 26999973), (7, 23142834), (9, 17999982), (11, 14727258), (13, 12461526), (14, 11571417), (18, 8999991), (21, 7714278), (22, 7363629), (26, 6230763), (27, 5999994), (33, 4909086), (37, 4378374), (39, 4153842), (42, 3857139), (54, 2999997), (63, 2571426), (66, 2454543), (74, 2189187), (77, 2103894), (78, 2076921), (81, 1999998), (91, 1780218), (99, 1636362), (111, 1459458), (117, 1384614), (126, 1285713), (143, 1132866), (154, 1051947), (162, 999999), (182, 890109), (189, 857142), (198, 818181), (222, 729729), (231, 701298), (234, 692307), (243, 666666), (259, 625482), (273, 593406), (286, 566433), (297, 545454), (333, 486486), (351, 461538), (378, 428571), (407, 398034), (429, 377622), (462, 350649), (481, 336798), (486, 333333), (518, 312741), (546, 296703), (567, 285714), (594, 272727), (666, 243243), (693, 233766), (702, 230769), (729, 222222), (777, 208494), (814, 199017), (819, 197802), (858, 188811), (891, 181818), (962, 168399), (999, 162162), (1001, 161838), (1053, 153846), (1134, 142857), (1221, 132678), (1287, 125874), (1386, 116883), (1443, 112266), (1458, 111111), (1554, 104247), (1638, 98901), (1701, 95238), (1782, 90909), (1998, 81081), (2002, 80919), (2079, 77922), (2106, 76923), (2187, 74074), (2331, 69498), (2442, 66339), (2457, 65934), (2574, 62937), (2673, 60606), (2849, 56862), (2886, 56133), (2997, 54054), (3003, 53946), (3159, 51282), (3367, 48114), (3402, 47619), (3663, 44226), (3861, 41958), (4158, 38961), (4329, 37422), (4374, 37037), (4662, 34749), (4914, 32967), (5103, 31746), (5291, 30618), (5346, 30303), (5698, 28431), (5994, 27027), (6006, 26973), (6237, 25974), (6318, 25641), (6734, 24057), (6993, 23166), (7326, 22113), (7371, 21978), (7722, 20979), (8019, 20202), (8547, 18954), (8658, 18711), (8991, 18018), (9009, 17982), (9477, 17094), (10101, 16038), (10206, 15873), (10582, 15309), (10989, 14742), (11583, 13986), (12474, 12987)]