261422576

素因数分解:

$2^4\times {\mathrm{61}}^2\times {\mathrm{4391}}^1$

素因数の和:4521

約数の個数: 30

約数和(自身を含む): 515063016

約数和(自身を除く): 253640440

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 3721, 4391, 7442, 8782, 14884, 17564, 29768, 35128, 59536, 70256, 267851, 535702, 1071404, 2142808, 4285616, 16338911, 32677822, 65355644, 130711288, 261422576]

約数ペア:

[(1, 261422576), (2, 130711288), (4, 65355644), (8, 32677822), (16, 16338911), (61, 4285616), (122, 2142808), (244, 1071404), (488, 535702), (976, 267851), (3721, 70256), (4391, 59536), (7442, 35128), (8782, 29768), (14884, 17564)]