1279700279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{40493}}^1$

素因数の和:40547

約数の個数: 24

約数和(自身を含む): 1600646832

約数和(自身を除く): 320946553

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 1859, 2431, 2873, 31603, 40493, 445423, 526409, 688381, 5790499, 6843317, 7572191, 8948953, 75276487, 98438483, 116336389, 1279700279]

約数ペア:

[(1, 1279700279), (11, 116336389), (13, 98438483), (17, 75276487), (143, 8948953), (169, 7572191), (187, 6843317), (221, 5790499), (1859, 688381), (2431, 526409), (2873, 445423), (31603, 40493)]