91720278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{391967}}^1$

素因数の和:391988

約数の個数: 24

約数和(自身を含む): 214014528

約数和(自身を除く): 122294250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 391967, 783934, 1175901, 2351802, 3527703, 5095571, 7055406, 10191142, 15286713, 30573426, 45860139, 91720278]

約数ペア:

[(1, 91720278), (2, 45860139), (3, 30573426), (6, 15286713), (9, 10191142), (13, 7055406), (18, 5095571), (26, 3527703), (39, 2351802), (78, 1175901), (117, 783934), (234, 391967)]