521539039

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{20771}}^1$

素因数の和:21006

約数の個数: 16

約数和(自身を含む): 634127616

約数和(自身を除く): 112588577

約数列:

[1, 7, 17, 119, 211, 1477, 3587, 20771, 25109, 145397, 353107, 2471749, 4382681, 30678767, 74505577, 521539039]

約数ペア:

[(1, 521539039), (7, 74505577), (17, 30678767), (119, 4382681), (211, 2471749), (1477, 353107), (3587, 145397), (20771, 25109)]