667472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3230

約数の個数: 20

約数和(自身を含む): 1393140

約数和(自身を除く): 725668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3209, 6418, 12836, 25672, 41717, 51344, 83434, 166868, 333736, 667472]

約数ペア:

[(1, 667472), (2, 333736), (4, 166868), (8, 83434), (13, 51344), (16, 41717), (26, 25672), (52, 12836), (104, 6418), (208, 3209)]