231640025

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 291648000

約数和(自身を除く): 60007975

約数列:

[1, 5, 25, 139, 191, 349, 695, 955, 1745, 3475, 4775, 8725, 26549, 48511, 66659, 132745, 242555, 333295, 663725, 1212775, 1666475, 9265601, 46328005, 231640025]

約数ペア:

[(1, 231640025), (5, 46328005), (25, 9265601), (139, 1666475), (191, 1212775), (349, 663725), (695, 333295), (955, 242555), (1745, 132745), (3475, 66659), (4775, 48511), (8725, 26549)]