201272825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1871}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 269732736

約数和(自身を除く): 68459911

約数列:

[1, 5, 13, 25, 65, 325, 331, 1655, 1871, 4303, 8275, 9355, 21515, 24323, 46775, 107575, 121615, 608075, 619301, 3096505, 8050913, 15482525, 40254565, 201272825]

約数ペア:

[(1, 201272825), (5, 40254565), (13, 15482525), (25, 8050913), (65, 3096505), (325, 619301), (331, 608075), (1655, 121615), (1871, 107575), (4303, 46775), (8275, 24323), (9355, 21515)]