416816

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 20

約数和(自身を含む): 818400

約数和(自身を除く): 401584

約数列:

[1, 2, 4, 8, 16, 109, 218, 239, 436, 478, 872, 956, 1744, 1912, 3824, 26051, 52102, 104204, 208408, 416816]

約数ペア:

[(1, 416816), (2, 208408), (4, 104204), (8, 52102), (16, 26051), (109, 3824), (218, 1912), (239, 1744), (436, 956), (478, 872)]