389901668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{7498109}}^1$

素因数の和:7498126

約数の個数: 12

約数和(自身を含む): 734814780

約数和(自身を除く): 344913112

約数列:

[1, 2, 4, 13, 26, 52, 7498109, 14996218, 29992436, 97475417, 194950834, 389901668]

約数ペア:

[(1, 389901668), (2, 194950834), (4, 97475417), (13, 29992436), (26, 14996218), (52, 7498109)]