1317755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 1723680

約数和(自身を除く): 405925

約数列:

[1, 5, 17, 37, 85, 185, 419, 629, 2095, 3145, 7123, 15503, 35615, 77515, 263551, 1317755]

約数ペア:

[(1, 1317755), (5, 263551), (17, 77515), (37, 35615), (85, 15503), (185, 7123), (419, 3145), (629, 2095)]