647490078

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{86263}}^1$

素因数の和:86413

約数の個数: 32

約数和(自身を含む): 1449235200

約数和(自身を除く): 801745122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 3753, 7506, 86263, 172526, 258789, 517578, 776367, 1552734, 2329101, 4658202, 11990557, 23981114, 35971671, 71943342, 107915013, 215830026, 323745039, 647490078]

約数ペア:

[(1, 647490078), (2, 323745039), (3, 215830026), (6, 107915013), (9, 71943342), (18, 35971671), (27, 23981114), (54, 11990557), (139, 4658202), (278, 2329101), (417, 1552734), (834, 776367), (1251, 517578), (2502, 258789), (3753, 172526), (7506, 86263)]