12988525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 17838144

約数和(自身を除く): 4849619

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 647, 803, 1825, 3235, 4015, 7117, 16175, 20075, 35585, 47231, 177925, 236155, 519541, 1180775, 2597705, 12988525]

約数ペア:

[(1, 12988525), (5, 2597705), (11, 1180775), (25, 519541), (55, 236155), (73, 177925), (275, 47231), (365, 35585), (647, 20075), (803, 16175), (1825, 7117), (3235, 4015)]