279339986

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 435673728

約数和(自身を除く): 156333742

約数列:

[1, 2, 71, 83, 137, 142, 166, 173, 274, 346, 5893, 9727, 11371, 11786, 12283, 14359, 19454, 22742, 23701, 24566, 28718, 47402, 807341, 1019489, 1614682, 1682771, 1967183, 2038978, 3365542, 3934366, 139669993, 279339986]

約数ペア:

[(1, 279339986), (2, 139669993), (71, 3934366), (83, 3365542), (137, 2038978), (142, 1967183), (166, 1682771), (173, 1614682), (274, 1019489), (346, 807341), (5893, 47402), (9727, 28718), (11371, 24566), (11786, 23701), (12283, 22742), (14359, 19454)]