64477390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{63839}}^1$

素因数の和:63947

約数の個数: 16

約数和(自身を含む): 117210240

約数和(自身を除く): 52732850

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 63839, 127678, 319195, 638390, 6447739, 12895478, 32238695, 64477390]

約数ペア:

[(1, 64477390), (2, 32238695), (5, 12895478), (10, 6447739), (101, 638390), (202, 319195), (505, 127678), (1010, 63839)]