15991898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8663}}^1$

素因数の和:8749

約数の個数: 16

約数和(自身を含む): 26199936

約数和(自身を除く): 10208038

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 8663, 17326, 112619, 225238, 615073, 1230146, 7995949, 15991898]

約数ペア:

[(1, 15991898), (2, 7995949), (13, 1230146), (26, 615073), (71, 225238), (142, 112619), (923, 17326), (1846, 8663)]