263181025

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 336032064

約数和(自身を除く): 72851039

約数列:

[1, 5, 25, 67, 71, 335, 355, 1675, 1775, 2213, 4757, 11065, 23785, 55325, 118925, 148271, 157123, 741355, 785615, 3706775, 3928075, 10527241, 52636205, 263181025]

約数ペア:

[(1, 263181025), (5, 52636205), (25, 10527241), (67, 3928075), (71, 3706775), (335, 785615), (355, 741355), (1675, 157123), (1775, 148271), (2213, 118925), (4757, 55325), (11065, 23785)]