664754974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{919}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 1101703680

約数和(自身を除く): 436948706

約数列:

[1, 2, 13, 26, 43, 86, 559, 647, 919, 1118, 1294, 1838, 8411, 11947, 16822, 23894, 27821, 39517, 55642, 79034, 361673, 513721, 594593, 723346, 1027442, 1189186, 7729709, 15459418, 25567499, 51134998, 332377487, 664754974]

約数ペア:

[(1, 664754974), (2, 332377487), (13, 51134998), (26, 25567499), (43, 15459418), (86, 7729709), (559, 1189186), (647, 1027442), (919, 723346), (1118, 594593), (1294, 513721), (1838, 361673), (8411, 79034), (11947, 55642), (16822, 39517), (23894, 27821)]