16120447

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 19353600

約数和(自身を除く): 3233153

約数列:

[1, 7, 23, 161, 223, 449, 1561, 3143, 5129, 10327, 35903, 72289, 100127, 700889, 2302921, 16120447]

約数ペア:

[(1, 16120447), (7, 2302921), (23, 700889), (161, 100127), (223, 72289), (449, 35903), (1561, 10327), (3143, 5129)]