28638295

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2851}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 40966128

約数和(自身を除く): 12327833

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 2851, 10045, 14255, 19957, 99785, 116891, 139699, 584455, 698495, 818237, 4091185, 5727659, 28638295]

約数ペア:

[(1, 28638295), (5, 5727659), (7, 4091185), (35, 818237), (41, 698495), (49, 584455), (205, 139699), (245, 116891), (287, 99785), (1435, 19957), (2009, 14255), (2851, 10045)]