268538165

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 379666176

約数和(自身を除く): 111128011

約数列:

[1, 5, 7, 35, 61, 73, 305, 365, 427, 511, 1723, 2135, 2555, 4453, 8615, 12061, 22265, 31171, 60305, 105103, 125779, 155855, 525515, 628895, 735721, 880453, 3678605, 4402265, 7672519, 38362595, 53707633, 268538165]

約数ペア:

[(1, 268538165), (5, 53707633), (7, 38362595), (35, 7672519), (61, 4402265), (73, 3678605), (305, 880453), (365, 735721), (427, 628895), (511, 525515), (1723, 155855), (2135, 125779), (2555, 105103), (4453, 60305), (8615, 31171), (12061, 22265)]