428156725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{3911}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 553000320

約数和(自身を除く): 124843595

約数列:

[1, 5, 25, 29, 145, 151, 725, 755, 3775, 3911, 4379, 19555, 21895, 97775, 109475, 113419, 567095, 590561, 2835475, 2952805, 14764025, 17126269, 85631345, 428156725]

約数ペア:

[(1, 428156725), (5, 85631345), (25, 17126269), (29, 14764025), (145, 2952805), (151, 2835475), (725, 590561), (755, 567095), (3775, 113419), (3911, 109475), (4379, 97775), (19555, 21895)]