66721325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{733}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 90651936

約数和(自身を除く): 23930611

約数列:

[1, 5, 11, 25, 55, 275, 331, 733, 1655, 3641, 3665, 8063, 8275, 18205, 18325, 40315, 91025, 201575, 242623, 1213115, 2668853, 6065575, 13344265, 66721325]

約数ペア:

[(1, 66721325), (5, 13344265), (11, 6065575), (25, 2668853), (55, 1213115), (275, 242623), (331, 201575), (733, 91025), (1655, 40315), (3641, 18325), (3665, 18205), (8063, 8275)]