39985218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 111820800

約数和(自身を除く): 71835582

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 79, 91, 103, 117, 126, 158, 182, 189, 206, 234, 237, 273, 309, 351, 378, 474, 546, 553, 618, 702, 711, 721, 819, 927, 1027, 1106, 1339, 1422, 1442, 1638, 1659, 1854, 2054, 2133, 2163, 2457, 2678, 2781, 3081, 3318, 4017, 4266, 4326, 4914, 4977, 5562, 6162, 6489, 7189, 8034, 8137, 9243, 9373, 9954, 12051, 12978, 14378, 14931, 16274, 18486, 18746, 19467, 21567, 24102, 24411, 27729, 28119, 29862, 36153, 38934, 43134, 48822, 55458, 56238, 56959, 64701, 72306, 73233, 84357, 105781, 113918, 129402, 146466, 168714, 170877, 194103, 211562, 219699, 253071, 317343, 341754, 388206, 439398, 506142, 512631, 634686, 740467, 952029, 1025262, 1480934, 1537893, 1904058, 2221401, 2856087, 3075786, 4442802, 5712174, 6664203, 13328406, 19992609, 39985218]

約数ペア:

[(1, 39985218), (2, 19992609), (3, 13328406), (6, 6664203), (7, 5712174), (9, 4442802), (13, 3075786), (14, 2856087), (18, 2221401), (21, 1904058), (26, 1537893), (27, 1480934), (39, 1025262), (42, 952029), (54, 740467), (63, 634686), (78, 512631), (79, 506142), (91, 439398), (103, 388206), (117, 341754), (126, 317343), (158, 253071), (182, 219699), (189, 211562), (206, 194103), (234, 170877), (237, 168714), (273, 146466), (309, 129402), (351, 113918), (378, 105781), (474, 84357), (546, 73233), (553, 72306), (618, 64701), (702, 56959), (711, 56238), (721, 55458), (819, 48822), (927, 43134), (1027, 38934), (1106, 36153), (1339, 29862), (1422, 28119), (1442, 27729), (1638, 24411), (1659, 24102), (1854, 21567), (2054, 19467), (2133, 18746), (2163, 18486), (2457, 16274), (2678, 14931), (2781, 14378), (3081, 12978), (3318, 12051), (4017, 9954), (4266, 9373), (4326, 9243), (4914, 8137), (4977, 8034), (5562, 7189), (6162, 6489)]