64820456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{881}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 129071880

約数和(自身を除く): 64251424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 541, 881, 1082, 1762, 2164, 3524, 4328, 7048, 9197, 14977, 18394, 29954, 36788, 59908, 73576, 119816, 476621, 953242, 1906484, 3812968, 8102557, 16205114, 32410228, 64820456]

約数ペア:

[(1, 64820456), (2, 32410228), (4, 16205114), (8, 8102557), (17, 3812968), (34, 1906484), (68, 953242), (136, 476621), (541, 119816), (881, 73576), (1082, 59908), (1762, 36788), (2164, 29954), (3524, 18394), (4328, 14977), (7048, 9197)]