28790525

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 8037475

約数列:

[1, 5, 25, 59, 131, 149, 295, 655, 745, 1475, 3275, 3725, 7729, 8791, 19519, 38645, 43955, 97595, 193225, 219775, 487975, 1151621, 5758105, 28790525]

約数ペア:

[(1, 28790525), (5, 5758105), (25, 1151621), (59, 487975), (131, 219775), (149, 193225), (295, 97595), (655, 43955), (745, 38645), (1475, 19519), (3275, 8791), (3725, 7729)]