218093525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21647}}^1$

素因数の和:21701

約数の個数: 24

約数和(自身を含む): 300647424

約数和(自身を除く): 82553899

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 21647, 108235, 281411, 541175, 671057, 1407055, 3355285, 7035275, 8723741, 16776425, 43618705, 218093525]

約数ペア:

[(1, 218093525), (5, 43618705), (13, 16776425), (25, 8723741), (31, 7035275), (65, 3355285), (155, 1407055), (325, 671057), (403, 541175), (775, 281411), (2015, 108235), (10075, 21647)]