128214289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{5641}}^1$

素因数の和:5856

約数の個数: 16

約数和(自身を含む): 155990016

約数和(自身を除く): 27775727

約数列:

[1, 7, 17, 119, 191, 1337, 3247, 5641, 22729, 39487, 95897, 671279, 1077431, 7542017, 18316327, 128214289]

約数ペア:

[(1, 128214289), (7, 18316327), (17, 7542017), (119, 1077431), (191, 671279), (1337, 95897), (3247, 39487), (5641, 22729)]