71810530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1009}}^1$

素因数の和:1674

約数の個数: 32

約数和(自身を含む): 141367680

約数和(自身を除く): 69557150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 647, 1009, 1294, 2018, 3235, 5045, 6470, 7117, 10090, 11099, 14234, 22198, 35585, 55495, 71170, 110990, 652823, 1305646, 3264115, 6528230, 7181053, 14362106, 35905265, 71810530]

約数ペア:

[(1, 71810530), (2, 35905265), (5, 14362106), (10, 7181053), (11, 6528230), (22, 3264115), (55, 1305646), (110, 652823), (647, 110990), (1009, 71170), (1294, 55495), (2018, 35585), (3235, 22198), (5045, 14234), (6470, 11099), (7117, 10090)]