641496852

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{2027}}^1$

素因数の和:2245

約数の個数: 72

約数和(自身を含む): 1660932000

約数和(自身を除く): 1019435148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 149, 177, 236, 298, 354, 447, 531, 596, 708, 894, 1062, 1341, 1788, 2027, 2124, 2682, 4054, 5364, 6081, 8108, 8791, 12162, 17582, 18243, 24324, 26373, 35164, 36486, 52746, 72972, 79119, 105492, 119593, 158238, 239186, 302023, 316476, 358779, 478372, 604046, 717558, 906069, 1076337, 1208092, 1435116, 1812138, 2152674, 2718207, 3624276, 4305348, 5436414, 10872828, 17819357, 35638714, 53458071, 71277428, 106916142, 160374213, 213832284, 320748426, 641496852]

約数ペア:

[(1, 641496852), (2, 320748426), (3, 213832284), (4, 160374213), (6, 106916142), (9, 71277428), (12, 53458071), (18, 35638714), (36, 17819357), (59, 10872828), (118, 5436414), (149, 4305348), (177, 3624276), (236, 2718207), (298, 2152674), (354, 1812138), (447, 1435116), (531, 1208092), (596, 1076337), (708, 906069), (894, 717558), (1062, 604046), (1341, 478372), (1788, 358779), (2027, 316476), (2124, 302023), (2682, 239186), (4054, 158238), (5364, 119593), (6081, 105492), (8108, 79119), (8791, 72972), (12162, 52746), (17582, 36486), (18243, 35164), (24324, 26373)]