639647528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{6150457}}^1$

素因数の和:6150476

約数の個数: 16

約数和(自身を含む): 1291596180

約数和(自身を除く): 651948652

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 6150457, 12300914, 24601828, 49203656, 79955941, 159911882, 319823764, 639647528]

約数ペア:

[(1, 639647528), (2, 319823764), (4, 159911882), (8, 79955941), (13, 49203656), (26, 24601828), (52, 12300914), (104, 6150457)]