81684664

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139871}}^1$

素因数の和:139950

約数の個数: 16

約数和(自身を含む): 155257920

約数和(自身を除く): 73573256

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 139871, 279742, 559484, 1118968, 10210583, 20421166, 40842332, 81684664]

約数ペア:

[(1, 81684664), (2, 40842332), (4, 20421166), (8, 10210583), (73, 1118968), (146, 559484), (292, 279742), (584, 139871)]