4260025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 6588864

約数和(自身を除く): 2328839

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 2213, 11065, 15491, 24343, 55325, 77455, 121715, 170401, 387275, 608575, 852005, 4260025]

約数ペア:

[(1, 4260025), (5, 852005), (7, 608575), (11, 387275), (25, 170401), (35, 121715), (55, 77455), (77, 55325), (175, 24343), (275, 15491), (385, 11065), (1925, 2213)]