25291311

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{991}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 34664448

約数和(自身を除く): 9373137

約数列:

[1, 3, 47, 141, 181, 543, 991, 2973, 8507, 25521, 46577, 139731, 179371, 538113, 8430437, 25291311]

約数ペア:

[(1, 25291311), (3, 8430437), (47, 538113), (141, 179371), (181, 139731), (543, 46577), (991, 25521), (2973, 8507)]