327856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 20

約数和(自身を含む): 656704

約数和(自身を除く): 328848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 661, 1322, 2644, 5288, 10576, 20491, 40982, 81964, 163928, 327856]

約数ペア:

[(1, 327856), (2, 163928), (4, 81964), (8, 40982), (16, 20491), (31, 10576), (62, 5288), (124, 2644), (248, 1322), (496, 661)]