640750524

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{384143}}^1$

素因数の和:384289

約数の個数: 24

約数和(自身を含む): 1505844480

約数和(自身を除く): 865093956

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 384143, 768286, 1152429, 1536572, 2304858, 4609716, 53395877, 106791754, 160187631, 213583508, 320375262, 640750524]

約数ペア:

[(1, 640750524), (2, 320375262), (3, 213583508), (4, 160187631), (6, 106791754), (12, 53395877), (139, 4609716), (278, 2304858), (417, 1536572), (556, 1152429), (834, 768286), (1668, 384143)]