647597128

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{5923}}^1$

素因数の和:6181

約数の個数: 32

約数和(自身を含む): 1236931200

約数和(自身を除く): 589334072

約数列:

[1, 2, 4, 8, 79, 158, 173, 316, 346, 632, 692, 1384, 5923, 11846, 13667, 23692, 27334, 47384, 54668, 109336, 467917, 935834, 1024679, 1871668, 2049358, 3743336, 4098716, 8197432, 80949641, 161899282, 323798564, 647597128]

約数ペア:

[(1, 647597128), (2, 323798564), (4, 161899282), (8, 80949641), (79, 8197432), (158, 4098716), (173, 3743336), (316, 2049358), (346, 1871668), (632, 1024679), (692, 935834), (1384, 467917), (5923, 109336), (11846, 54668), (13667, 47384), (23692, 27334)]