11888971990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{5981}}^1$

素因数の和:6457

約数の個数: 64

約数和(自身を含む): 24860234880

約数和(自身を除く): 12971262890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 389, 511, 730, 778, 1022, 1945, 2555, 2723, 3890, 5110, 5446, 5981, 11962, 13615, 27230, 28397, 29905, 41867, 56794, 59810, 83734, 141985, 198779, 209335, 283970, 397558, 418670, 436613, 873226, 993895, 1987790, 2183065, 2326609, 3056291, 4366130, 4653218, 6112582, 11633045, 15281455, 16286263, 23266090, 30562910, 32572526, 81431315, 162862630, 169842457, 339684914, 849212285, 1188897199, 1698424570, 2377794398, 5944485995, 11888971990]

約数ペア:

[(1, 11888971990), (2, 5944485995), (5, 2377794398), (7, 1698424570), (10, 1188897199), (14, 849212285), (35, 339684914), (70, 169842457), (73, 162862630), (146, 81431315), (365, 32572526), (389, 30562910), (511, 23266090), (730, 16286263), (778, 15281455), (1022, 11633045), (1945, 6112582), (2555, 4653218), (2723, 4366130), (3890, 3056291), (5110, 2326609), (5446, 2183065), (5981, 1987790), (11962, 993895), (13615, 873226), (27230, 436613), (28397, 418670), (29905, 397558), (41867, 283970), (56794, 209335), (59810, 198779), (83734, 141985)]