489374996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{21851}}^1$

素因数の和:22375

約数の個数: 24

約数和(自身を含む): 936139680

約数和(自身を除く): 446764684

約数列:

[1, 2, 4, 11, 22, 44, 509, 1018, 2036, 5599, 11198, 21851, 22396, 43702, 87404, 240361, 480722, 961444, 11122159, 22244318, 44488636, 122343749, 244687498, 489374996]

約数ペア:

[(1, 489374996), (2, 244687498), (4, 122343749), (11, 44488636), (22, 22244318), (44, 11122159), (509, 961444), (1018, 480722), (2036, 240361), (5599, 87404), (11198, 43702), (21851, 22396)]