388289707

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 447438992

約数和(自身を除く): 59149285

約数列:

[1, 13, 17, 181, 221, 289, 571, 2353, 3077, 3757, 7423, 9707, 40001, 52309, 103351, 126191, 165019, 680017, 1343563, 1756967, 2145247, 22840571, 29868439, 388289707]

約数ペア:

[(1, 388289707), (13, 29868439), (17, 22840571), (181, 2145247), (221, 1756967), (289, 1343563), (571, 680017), (2353, 165019), (3077, 126191), (3757, 103351), (7423, 52309), (9707, 40001)]