81891481316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2801}}^1\times {\mathrm{384691}}^1$

素因数の和:387515

約数の個数: 24

約数和(自身を含む): 150906977760

約数和(自身を除く): 69015496444

約数列:

[1, 2, 4, 19, 38, 76, 2801, 5602, 11204, 53219, 106438, 212876, 384691, 769382, 1538764, 7309129, 14618258, 29236516, 1077519491, 2155038982, 4310077964, 20472870329, 40945740658, 81891481316]

約数ペア:

[(1, 81891481316), (2, 40945740658), (4, 20472870329), (19, 4310077964), (38, 2155038982), (76, 1077519491), (2801, 29236516), (5602, 14618258), (11204, 7309129), (53219, 1538764), (106438, 769382), (212876, 384691)]