271409008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21391}}^1$

素因数の和:21473

約数の個数: 40

約数和(自身を含む): 575615936

約数和(自身を除く): 304206928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 21391, 42782, 85564, 171128, 278083, 342256, 556166, 1112332, 1304851, 2224664, 2609702, 4449328, 5219404, 10438808, 16963063, 20877616, 33926126, 67852252, 135704504, 271409008]

約数ペア:

[(1, 271409008), (2, 135704504), (4, 67852252), (8, 33926126), (13, 20877616), (16, 16963063), (26, 10438808), (52, 5219404), (61, 4449328), (104, 2609702), (122, 2224664), (208, 1304851), (244, 1112332), (488, 556166), (793, 342256), (976, 278083), (1586, 171128), (3172, 85564), (6344, 42782), (12688, 21391)]