208816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 20

約数和(自身を含む): 418624

約数和(自身を除く): 209808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 421, 496, 842, 1684, 3368, 6736, 13051, 26102, 52204, 104408, 208816]

約数ペア:

[(1, 208816), (2, 104408), (4, 52204), (8, 26102), (16, 13051), (31, 6736), (62, 3368), (124, 1684), (248, 842), (421, 496)]