77123825

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 98344896

約数和(自身を除く): 21221071

約数列:

[1, 5, 25, 61, 103, 305, 491, 515, 1525, 2455, 2575, 6283, 12275, 29951, 31415, 50573, 149755, 157075, 252865, 748775, 1264325, 3084953, 15424765, 77123825]

約数ペア:

[(1, 77123825), (5, 15424765), (25, 3084953), (61, 1264325), (103, 748775), (305, 252865), (491, 157075), (515, 149755), (1525, 50573), (2455, 31415), (2575, 29951), (6283, 12275)]