81615494

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{5273}}^1$

素因数の和:5455

約数の個数: 16

約数和(自身を含む): 125310240

約数和(自身を除く): 43694746

約数列:

[1, 2, 71, 109, 142, 218, 5273, 7739, 10546, 15478, 374383, 574757, 748766, 1149514, 40807747, 81615494]

約数ペア:

[(1, 81615494), (2, 40807747), (71, 1149514), (109, 748766), (142, 574757), (218, 374383), (5273, 15478), (7739, 10546)]