31981145854

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:1038

約数の個数: 96

約数和(自身を含む): 58398278400

約数和(自身を除く): 26417132546

約数列:

[1, 2, 7, 14, 43, 49, 71, 86, 98, 139, 142, 278, 301, 497, 602, 769, 973, 994, 1538, 1946, 2107, 3053, 3479, 4214, 5383, 5977, 6106, 6811, 6958, 9869, 10766, 11954, 13622, 19738, 21371, 33067, 37681, 41839, 42742, 54599, 66134, 69083, 75362, 83678, 106891, 109198, 138166, 149597, 213782, 231469, 292873, 299194, 382193, 424367, 462938, 483581, 585746, 748237, 764386, 848734, 967162, 1496474, 1620283, 2347757, 2675351, 2970569, 3240566, 4596313, 4695514, 5237659, 5350702, 5941138, 7589261, 9192626, 10475318, 15178522, 16434299, 20793983, 32174191, 32868598, 41587966, 53124827, 64348382, 106249654, 115040093, 225219337, 230080186, 326338223, 371873789, 450438674, 652676446, 743747578, 2284367561, 4568735122, 15990572927, 31981145854]

約数ペア:

[(1, 31981145854), (2, 15990572927), (7, 4568735122), (14, 2284367561), (43, 743747578), (49, 652676446), (71, 450438674), (86, 371873789), (98, 326338223), (139, 230080186), (142, 225219337), (278, 115040093), (301, 106249654), (497, 64348382), (602, 53124827), (769, 41587966), (973, 32868598), (994, 32174191), (1538, 20793983), (1946, 16434299), (2107, 15178522), (3053, 10475318), (3479, 9192626), (4214, 7589261), (5383, 5941138), (5977, 5350702), (6106, 5237659), (6811, 4695514), (6958, 4596313), (9869, 3240566), (10766, 2970569), (11954, 2675351), (13622, 2347757), (19738, 1620283), (21371, 1496474), (33067, 967162), (37681, 848734), (41839, 764386), (42742, 748237), (54599, 585746), (66134, 483581), (69083, 462938), (75362, 424367), (83678, 382193), (106891, 299194), (109198, 292873), (138166, 231469), (149597, 213782)]