25709526

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{20117}}^1$

素因数の和:20196

約数の個数: 24

約数和(自身を含む): 56491344

約数和(自身を除く): 30781818

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 20117, 40234, 60351, 120702, 181053, 362106, 1428307, 2856614, 4284921, 8569842, 12854763, 25709526]

約数ペア:

[(1, 25709526), (2, 12854763), (3, 8569842), (6, 4284921), (9, 2856614), (18, 1428307), (71, 362106), (142, 181053), (213, 120702), (426, 60351), (639, 40234), (1278, 20117)]