389611928

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{373}}^1\times {\mathrm{2213}}^1$

素因数の和:2651

約数の個数: 32

約数和(自身を含む): 745232400

約数和(自身を除く): 355620472

約数列:

[1, 2, 4, 8, 59, 118, 236, 373, 472, 746, 1492, 2213, 2984, 4426, 8852, 17704, 22007, 44014, 88028, 130567, 176056, 261134, 522268, 825449, 1044536, 1650898, 3301796, 6603592, 48701491, 97402982, 194805964, 389611928]

約数ペア:

[(1, 389611928), (2, 194805964), (4, 97402982), (8, 48701491), (59, 6603592), (118, 3301796), (236, 1650898), (373, 1044536), (472, 825449), (746, 522268), (1492, 261134), (2213, 176056), (2984, 130567), (4426, 88028), (8852, 44014), (17704, 22007)]