17977421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10151}}^1$

素因数の和:10192

約数の個数: 16

約数和(自身を含む): 23390208

約数和(自身を除く): 5412787

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 10151, 71057, 111661, 233473, 781627, 1634311, 2568203, 17977421]

約数ペア:

[(1, 17977421), (7, 2568203), (11, 1634311), (23, 781627), (77, 233473), (161, 111661), (253, 71057), (1771, 10151)]