253398475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40063}}^1$

素因数の和:40107

約数の個数: 24

約数和(自身を含む): 357691392

約数和(自身を除く): 104292917

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 6325, 40063, 200315, 440693, 921449, 1001575, 2203465, 4607245, 10135939, 11017325, 23036225, 50679695, 253398475]

約数ペア:

[(1, 253398475), (5, 50679695), (11, 23036225), (23, 11017325), (25, 10135939), (55, 4607245), (115, 2203465), (253, 1001575), (275, 921449), (575, 440693), (1265, 200315), (6325, 40063)]