87042025

素因数分解:

$5^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1013}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 123724224

約数和(自身を除く): 36682199

約数列:

[1, 5, 7, 25, 35, 175, 491, 1013, 2455, 3437, 5065, 7091, 12275, 17185, 25325, 35455, 85925, 177275, 497383, 2486915, 3481681, 12434575, 17408405, 87042025]

約数ペア:

[(1, 87042025), (5, 17408405), (7, 12434575), (25, 3481681), (35, 2486915), (175, 497383), (491, 177275), (1013, 85925), (2455, 35455), (3437, 25325), (5065, 17185), (7091, 12275)]