139486568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1341217}}^1$

素因数の和:1341236

約数の個数: 16

約数和(自身を含む): 281655780

約数和(自身を除く): 142169212

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1341217, 2682434, 5364868, 10729736, 17435821, 34871642, 69743284, 139486568]

約数ペア:

[(1, 139486568), (2, 69743284), (4, 34871642), (8, 17435821), (13, 10729736), (26, 5364868), (52, 2682434), (104, 1341217)]