28305925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 36640512

約数和(自身を除く): 8334587

約数列:

[1, 5, 25, 37, 71, 185, 355, 431, 925, 1775, 2155, 2627, 10775, 13135, 15947, 30601, 65675, 79735, 153005, 398675, 765025, 1132237, 5661185, 28305925]

約数ペア:

[(1, 28305925), (5, 5661185), (25, 1132237), (37, 765025), (71, 398675), (185, 153005), (355, 79735), (431, 65675), (925, 30601), (1775, 15947), (2155, 13135), (2627, 10775)]