28655684

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{51539}}^1$

素因数の和:51682

約数の個数: 12

約数和(自身を含む): 50509200

約数和(自身を除く): 21853516

約数列:

[1, 2, 4, 139, 278, 556, 51539, 103078, 206156, 7163921, 14327842, 28655684]

約数ペア:

[(1, 28655684), (2, 14327842), (4, 7163921), (139, 206156), (278, 103078), (556, 51539)]