16640524

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{173}}^2$

素因数の和:489

約数の個数: 18

約数和(自身を含む): 29500940

約数和(自身を除く): 12860416

約数列:

[1, 2, 4, 139, 173, 278, 346, 556, 692, 24047, 29929, 48094, 59858, 96188, 119716, 4160131, 8320262, 16640524]

約数ペア:

[(1, 16640524), (2, 8320262), (4, 4160131), (139, 119716), (173, 96188), (278, 59858), (346, 48094), (556, 29929), (692, 24047)]