644332912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2368871}}^1$

素因数の和:2368896

約数の個数: 20

約数和(自身を含む): 1321830576

約数和(自身を除く): 677497664

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2368871, 4737742, 9475484, 18950968, 37901936, 40270807, 80541614, 161083228, 322166456, 644332912]

約数ペア:

[(1, 644332912), (2, 322166456), (4, 161083228), (8, 80541614), (16, 40270807), (17, 37901936), (34, 18950968), (68, 9475484), (136, 4737742), (272, 2368871)]