1380329302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^4$

素因数の和:369

約数の個数: 20

約数和(自身を含む): 2284387956

約数和(自身を除く): 904058654

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 7921, 15842, 87131, 174262, 704969, 1409938, 7754659, 15509318, 62742241, 125484482, 690164651, 1380329302]

約数ペア:

[(1, 1380329302), (2, 690164651), (11, 125484482), (22, 62742241), (89, 15509318), (178, 7754659), (979, 1409938), (1958, 704969), (7921, 174262), (15842, 87131)]