261567306

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1658

約数の個数: 160

約数和(自身を含む): 787425408

約数和(自身を除く): 525858102

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 54, 63, 66, 77, 78, 81, 91, 99, 117, 126, 143, 154, 162, 182, 189, 198, 231, 234, 273, 286, 297, 351, 378, 429, 462, 546, 567, 594, 693, 702, 819, 858, 891, 1001, 1053, 1134, 1287, 1386, 1613, 1638, 1782, 2002, 2079, 2106, 2457, 2574, 3003, 3226, 3861, 4158, 4839, 4914, 6006, 6237, 7371, 7722, 9009, 9678, 11291, 11583, 12474, 14517, 14742, 17743, 18018, 20969, 22582, 23166, 27027, 29034, 33873, 35486, 41938, 43551, 53229, 54054, 62907, 67746, 81081, 87102, 101619, 106458, 124201, 125814, 130653, 146783, 159687, 162162, 188721, 203238, 230659, 248402, 261306, 293566, 304857, 319374, 372603, 377442, 440349, 461318, 479061, 566163, 609714, 691977, 745206, 880698, 914571, 958122, 1117809, 1132326, 1321047, 1383954, 1437183, 1614613, 1698489, 1829142, 2075931, 2235618, 2642094, 2874366, 3229226, 3353427, 3396978, 3963141, 4151862, 4843839, 6227793, 6706854, 7926282, 9687678, 10060281, 11889423, 12455586, 14531517, 18683379, 20120562, 23778846, 29063034, 37366758, 43594551, 87189102, 130783653, 261567306]

約数ペア:

[(1, 261567306), (2, 130783653), (3, 87189102), (6, 43594551), (7, 37366758), (9, 29063034), (11, 23778846), (13, 20120562), (14, 18683379), (18, 14531517), (21, 12455586), (22, 11889423), (26, 10060281), (27, 9687678), (33, 7926282), (39, 6706854), (42, 6227793), (54, 4843839), (63, 4151862), (66, 3963141), (77, 3396978), (78, 3353427), (81, 3229226), (91, 2874366), (99, 2642094), (117, 2235618), (126, 2075931), (143, 1829142), (154, 1698489), (162, 1614613), (182, 1437183), (189, 1383954), (198, 1321047), (231, 1132326), (234, 1117809), (273, 958122), (286, 914571), (297, 880698), (351, 745206), (378, 691977), (429, 609714), (462, 566163), (546, 479061), (567, 461318), (594, 440349), (693, 377442), (702, 372603), (819, 319374), (858, 304857), (891, 293566), (1001, 261306), (1053, 248402), (1134, 230659), (1287, 203238), (1386, 188721), (1613, 162162), (1638, 159687), (1782, 146783), (2002, 130653), (2079, 125814), (2106, 124201), (2457, 106458), (2574, 101619), (3003, 87102), (3226, 81081), (3861, 67746), (4158, 62907), (4839, 54054), (4914, 53229), (6006, 43551), (6237, 41938), (7371, 35486), (7722, 33873), (9009, 29034), (9678, 27027), (11291, 23166), (11583, 22582), (12474, 20969), (14517, 18018), (14742, 17743)]