211396225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1931}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 273107520

約数和(自身を除く): 61711295

約数列:

[1, 5, 25, 29, 145, 151, 725, 755, 1931, 3775, 4379, 9655, 21895, 48275, 55999, 109475, 279995, 291581, 1399975, 1457905, 7289525, 8455849, 42279245, 211396225]

約数ペア:

[(1, 211396225), (5, 42279245), (25, 8455849), (29, 7289525), (145, 1457905), (151, 1399975), (725, 291581), (755, 279995), (1931, 109475), (3775, 55999), (4379, 48275), (9655, 21895)]