28140541

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 33219648

約数和(自身を除く): 5079107

約数列:

[1, 11, 13, 143, 307, 641, 3377, 3991, 7051, 8333, 43901, 91663, 196787, 2164657, 2558231, 28140541]

約数ペア:

[(1, 28140541), (11, 2558231), (13, 2164657), (143, 196787), (307, 91663), (641, 43901), (3377, 8333), (3991, 7051)]