78127021

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 95606784

約数和(自身を除く): 17479763

約数列:

[1, 7, 23, 49, 161, 181, 383, 1127, 1267, 2681, 4163, 8809, 8869, 18767, 29141, 61663, 69323, 203987, 431641, 485261, 1594429, 3396827, 11161003, 78127021]

約数ペア:

[(1, 78127021), (7, 11161003), (23, 3396827), (49, 1594429), (161, 485261), (181, 431641), (383, 203987), (1127, 69323), (1267, 61663), (2681, 29141), (4163, 18767), (8809, 8869)]