168544525

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 215264000

約数和(自身を除く): 46719475

約数列:

[1, 5, 25, 61, 79, 305, 395, 1399, 1525, 1975, 4819, 6995, 24095, 34975, 85339, 110521, 120475, 426695, 552605, 2133475, 2763025, 6741781, 33708905, 168544525]

約数ペア:

[(1, 168544525), (5, 33708905), (25, 6741781), (61, 2763025), (79, 2133475), (305, 552605), (395, 426695), (1399, 120475), (1525, 110521), (1975, 85339), (4819, 34975), (6995, 24095)]