64654378

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:790

約数の個数: 24

約数和(自身を含む): 103212900

約数和(自身を除く): 38558522

約数列:

[1, 2, 19, 38, 149, 298, 361, 601, 722, 1202, 2831, 5662, 11419, 22838, 53789, 89549, 107578, 179098, 216961, 433922, 1701431, 3402862, 32327189, 64654378]

約数ペア:

[(1, 64654378), (2, 32327189), (19, 3402862), (38, 1701431), (149, 433922), (298, 216961), (361, 179098), (601, 107578), (722, 89549), (1202, 53789), (2831, 22838), (5662, 11419)]