28315510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 26116490

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2099, 2698, 4198, 6745, 10495, 13490, 20990, 39881, 79762, 149029, 199405, 298058, 398810, 745145, 1490290, 2831551, 5663102, 14157755, 28315510]

約数ペア:

[(1, 28315510), (2, 14157755), (5, 5663102), (10, 2831551), (19, 1490290), (38, 745145), (71, 398810), (95, 298058), (142, 199405), (190, 149029), (355, 79762), (710, 39881), (1349, 20990), (2099, 13490), (2698, 10495), (4198, 6745)]