1390402078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{102643}}^1$

素因数の和:103179

約数の個数: 16

約数和(自身を含む): 2250367056

約数和(自身を除く): 859964978

約数列:

[1, 2, 13, 26, 521, 1042, 6773, 13546, 102643, 205286, 1334359, 2668718, 53477003, 106954006, 695201039, 1390402078]

約数ペア:

[(1, 1390402078), (2, 695201039), (13, 106954006), (26, 53477003), (521, 2668718), (1042, 1334359), (6773, 205286), (13546, 102643)]