28885805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26141}}^1$

素因数の和:26176

約数の個数: 16

約数和(自身を含む): 39526704

約数和(自身を除く): 10640899

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 26141, 130705, 339833, 444397, 1699165, 2221985, 5777161, 28885805]

約数ペア:

[(1, 28885805), (5, 5777161), (13, 2221985), (17, 1699165), (65, 444397), (85, 339833), (221, 130705), (1105, 26141)]