81763346

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307381}}^1$

素因数の和:307409

約数の個数: 16

約数和(自身を含む): 147543360

約数和(自身を除く): 65780014

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 307381, 614762, 2151667, 4303334, 5840239, 11680478, 40881673, 81763346]

約数ペア:

[(1, 81763346), (2, 40881673), (7, 11680478), (14, 5840239), (19, 4303334), (38, 2151667), (133, 614762), (266, 307381)]