1399525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 1908360

約数和(自身を除く): 508835

約数列:

[1, 5, 17, 25, 37, 85, 89, 185, 425, 445, 629, 925, 1513, 2225, 3145, 3293, 7565, 15725, 16465, 37825, 55981, 82325, 279905, 1399525]

約数ペア:

[(1, 1399525), (5, 279905), (17, 82325), (25, 55981), (37, 37825), (85, 16465), (89, 15725), (185, 7565), (425, 3293), (445, 3145), (629, 2225), (925, 1513)]