201217775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1789}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 273010800

約数和(自身を除く): 71793025

約数列:

[1, 5, 11, 25, 55, 275, 409, 1789, 2045, 4499, 8945, 10225, 19679, 22495, 44725, 98395, 112475, 491975, 731701, 3658505, 8048711, 18292525, 40243555, 201217775]

約数ペア:

[(1, 201217775), (5, 40243555), (11, 18292525), (25, 8048711), (55, 3658505), (275, 731701), (409, 491975), (1789, 112475), (2045, 98395), (4499, 44725), (8945, 22495), (10225, 19679)]