31661344

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 80237304

約数和(自身を除く): 48575960

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 37, 44, 52, 68, 74, 88, 104, 121, 136, 143, 148, 176, 187, 208, 221, 242, 272, 286, 296, 352, 374, 407, 416, 442, 481, 484, 544, 572, 592, 629, 748, 814, 884, 962, 968, 1144, 1184, 1258, 1496, 1573, 1628, 1768, 1924, 1936, 2057, 2288, 2431, 2516, 2992, 3146, 3256, 3536, 3848, 3872, 4114, 4477, 4576, 4862, 5032, 5291, 5984, 6292, 6512, 6919, 7072, 7696, 8177, 8228, 8954, 9724, 10064, 10582, 12584, 13024, 13838, 15392, 16354, 16456, 17908, 19448, 20128, 21164, 25168, 26741, 27676, 32708, 32912, 35816, 38896, 42328, 50336, 53482, 55352, 58201, 65416, 65824, 71632, 76109, 77792, 84656, 89947, 106964, 110704, 116402, 130832, 143264, 152218, 169312, 179894, 213928, 221408, 232804, 261664, 304436, 359788, 427856, 465608, 608872, 719576, 855712, 931216, 989417, 1217744, 1439152, 1862432, 1978834, 2435488, 2878304, 3957668, 7915336, 15830672, 31661344]

約数ペア:

[(1, 31661344), (2, 15830672), (4, 7915336), (8, 3957668), (11, 2878304), (13, 2435488), (16, 1978834), (17, 1862432), (22, 1439152), (26, 1217744), (32, 989417), (34, 931216), (37, 855712), (44, 719576), (52, 608872), (68, 465608), (74, 427856), (88, 359788), (104, 304436), (121, 261664), (136, 232804), (143, 221408), (148, 213928), (176, 179894), (187, 169312), (208, 152218), (221, 143264), (242, 130832), (272, 116402), (286, 110704), (296, 106964), (352, 89947), (374, 84656), (407, 77792), (416, 76109), (442, 71632), (481, 65824), (484, 65416), (544, 58201), (572, 55352), (592, 53482), (629, 50336), (748, 42328), (814, 38896), (884, 35816), (962, 32912), (968, 32708), (1144, 27676), (1184, 26741), (1258, 25168), (1496, 21164), (1573, 20128), (1628, 19448), (1768, 17908), (1924, 16456), (1936, 16354), (2057, 15392), (2288, 13838), (2431, 13024), (2516, 12584), (2992, 10582), (3146, 10064), (3256, 9724), (3536, 8954), (3848, 8228), (3872, 8177), (4114, 7696), (4477, 7072), (4576, 6919), (4862, 6512), (5032, 6292), (5291, 5984)]