40688081

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 50123520

約数和(自身を除く): 9435439

約数列:

[1, 7, 23, 49, 79, 161, 457, 553, 1127, 1817, 3199, 3871, 10511, 12719, 22393, 36103, 73577, 89033, 252721, 515039, 830369, 1769047, 5812583, 40688081]

約数ペア:

[(1, 40688081), (7, 5812583), (23, 1769047), (49, 830369), (79, 515039), (161, 252721), (457, 89033), (553, 73577), (1127, 36103), (1817, 22393), (3199, 12719), (3871, 10511)]