65365225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 85822880

約数和(自身を除く): 20457655

約数列:

[1, 5, 19, 25, 95, 241, 475, 571, 1205, 2855, 4579, 6025, 10849, 14275, 22895, 54245, 114475, 137611, 271225, 688055, 2614609, 3440275, 13073045, 65365225]

約数ペア:

[(1, 65365225), (5, 13073045), (19, 3440275), (25, 2614609), (95, 688055), (241, 271225), (475, 137611), (571, 114475), (1205, 54245), (2855, 22895), (4579, 14275), (6025, 10849)]