26872391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 34664448

約数和(自身を除く): 7792057

約数列:

[1, 7, 13, 47, 61, 91, 103, 329, 427, 611, 721, 793, 1339, 2867, 4277, 4841, 5551, 6283, 9373, 20069, 33887, 37271, 43981, 62933, 81679, 260897, 295301, 440531, 571753, 2067107, 3838913, 26872391]

約数ペア:

[(1, 26872391), (7, 3838913), (13, 2067107), (47, 571753), (61, 440531), (91, 295301), (103, 260897), (329, 81679), (427, 62933), (611, 43981), (721, 37271), (793, 33887), (1339, 20069), (2867, 9373), (4277, 6283), (4841, 5551)]