123988775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9001}}^1$

素因数の和:9059

約数の個数: 24

約数和(自身を含む): 167437200

約数和(自身を除く): 43448425

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2755, 9001, 13775, 45005, 171019, 225025, 261029, 855095, 1305145, 4275475, 4959551, 6525725, 24797755, 123988775]

約数ペア:

[(1, 123988775), (5, 24797755), (19, 6525725), (25, 4959551), (29, 4275475), (95, 1305145), (145, 855095), (475, 261029), (551, 225025), (725, 171019), (2755, 45005), (9001, 13775)]