628624

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 20

約数和(自身を含む): 1233180

約数和(自身を除く): 604556

約数列:

[1, 2, 4, 8, 16, 101, 202, 389, 404, 778, 808, 1556, 1616, 3112, 6224, 39289, 78578, 157156, 314312, 628624]

約数ペア:

[(1, 628624), (2, 314312), (4, 157156), (8, 78578), (16, 39289), (101, 6224), (202, 3112), (389, 1616), (404, 1556), (778, 808)]