291230225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{81463}}^1$

素因数の和:81497

約数の個数: 24

約数和(自身を含む): 424264512

約数和(自身を除く): 133034287

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 81463, 407315, 896093, 1059019, 2036575, 4480465, 5295095, 11649209, 22402325, 26475475, 58246045, 291230225]

約数ペア:

[(1, 291230225), (5, 58246045), (11, 26475475), (13, 22402325), (25, 11649209), (55, 5295095), (65, 4480465), (143, 2036575), (275, 1059019), (325, 896093), (715, 407315), (3575, 81463)]