78218287

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{2207}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 91994112

約数和(自身を除く): 13775825

約数列:

[1, 7, 61, 83, 427, 581, 2207, 5063, 15449, 35441, 134627, 183181, 942389, 1282267, 11174041, 78218287]

約数ペア:

[(1, 78218287), (7, 11174041), (61, 1282267), (83, 942389), (427, 183181), (581, 134627), (2207, 35441), (5063, 15449)]