167980825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 223077240

約数和(自身を除く): 55096415

約数列:

[1, 5, 17, 25, 85, 89, 425, 445, 1513, 2225, 4441, 7565, 22205, 37825, 75497, 111025, 377485, 395249, 1887425, 1976245, 6719233, 9881225, 33596165, 167980825]

約数ペア:

[(1, 167980825), (5, 33596165), (17, 9881225), (25, 6719233), (85, 1976245), (89, 1887425), (425, 395249), (445, 377485), (1513, 111025), (2225, 75497), (4441, 37825), (7565, 22205)]