640589038

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{86263}}^1$

素因数の和:86391

約数の個数: 16

約数和(自身を含む): 993761280

約数和(自身を除く): 353172242

約数列:

[1, 2, 47, 79, 94, 158, 3713, 7426, 86263, 172526, 4054361, 6814777, 8108722, 13629554, 320294519, 640589038]

約数ペア:

[(1, 640589038), (2, 320294519), (47, 13629554), (79, 8108722), (94, 6814777), (158, 4054361), (3713, 172526), (7426, 86263)]