205459816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{22391}}^1$

素因数の和:22465

約数の個数: 32

約数和(自身を含む): 408430080

約数和(自身を除く): 202970264

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2294, 4588, 9176, 22391, 44782, 89564, 179128, 694121, 828467, 1388242, 1656934, 2776484, 3313868, 5552968, 6627736, 25682477, 51364954, 102729908, 205459816]

約数ペア:

[(1, 205459816), (2, 102729908), (4, 51364954), (8, 25682477), (31, 6627736), (37, 5552968), (62, 3313868), (74, 2776484), (124, 1656934), (148, 1388242), (248, 828467), (296, 694121), (1147, 179128), (2294, 89564), (4588, 44782), (9176, 22391)]