1211891898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1\times {\mathrm{811}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 2836205568

約数和(自身を除く): 1624313670

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 757, 811, 987, 1514, 1622, 1974, 2271, 2433, 4542, 4866, 5299, 5677, 10598, 11354, 15897, 17031, 31794, 34062, 35579, 38117, 71158, 76234, 106737, 114351, 213474, 228702, 249053, 266819, 498106, 533638, 613927, 747159, 800457, 1227854, 1494318, 1600914, 1841781, 3683562, 4297489, 8594978, 12892467, 25784934, 28854569, 57709138, 86563707, 173127414, 201981983, 403963966, 605945949, 1211891898]

約数ペア:

[(1, 1211891898), (2, 605945949), (3, 403963966), (6, 201981983), (7, 173127414), (14, 86563707), (21, 57709138), (42, 28854569), (47, 25784934), (94, 12892467), (141, 8594978), (282, 4297489), (329, 3683562), (658, 1841781), (757, 1600914), (811, 1494318), (987, 1227854), (1514, 800457), (1622, 747159), (1974, 613927), (2271, 533638), (2433, 498106), (4542, 266819), (4866, 249053), (5299, 228702), (5677, 213474), (10598, 114351), (11354, 106737), (15897, 76234), (17031, 71158), (31794, 38117), (34062, 35579)]