81636698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{719}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 144426240

約数和(自身を除く): 62789542

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 397, 719, 794, 1438, 4367, 5161, 7909, 8734, 9347, 10322, 15818, 18694, 56771, 102817, 113542, 205634, 285443, 570886, 3139873, 3710759, 6279746, 7421518, 40818349, 81636698]

約数ペア:

[(1, 81636698), (2, 40818349), (11, 7421518), (13, 6279746), (22, 3710759), (26, 3139873), (143, 570886), (286, 285443), (397, 205634), (719, 113542), (794, 102817), (1438, 56771), (4367, 18694), (5161, 15818), (7909, 10322), (8734, 9347)]