16404269

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 20684160

約数和(自身を除く): 4279891

約数列:

[1, 7, 17, 47, 49, 119, 329, 419, 799, 833, 2303, 2933, 5593, 7123, 19693, 20531, 39151, 49861, 137851, 334781, 349027, 964957, 2343467, 16404269]

約数ペア:

[(1, 16404269), (7, 2343467), (17, 964957), (47, 349027), (49, 334781), (119, 137851), (329, 49861), (419, 39151), (799, 20531), (833, 19693), (2303, 7123), (2933, 5593)]