78218231

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2381}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 101644704

約数和(自身を除く): 23426473

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 1729, 2381, 2527, 4693, 16667, 30953, 32851, 45239, 216671, 316673, 588107, 859541, 4116749, 6016787, 11174033, 78218231]

約数ペア:

[(1, 78218231), (7, 11174033), (13, 6016787), (19, 4116749), (91, 859541), (133, 588107), (247, 316673), (361, 216671), (1729, 45239), (2381, 32851), (2527, 30953), (4693, 16667)]