81909964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{2887}}^1$

素因数の和:3105

約数の個数: 24

約数和(自身を含む): 147738528

約数和(自身を除く): 65828564

約数列:

[1, 2, 4, 41, 82, 164, 173, 346, 692, 2887, 5774, 7093, 11548, 14186, 28372, 118367, 236734, 473468, 499451, 998902, 1997804, 20477491, 40954982, 81909964]

約数ペア:

[(1, 81909964), (2, 40954982), (4, 20477491), (41, 1997804), (82, 998902), (164, 499451), (173, 473468), (346, 236734), (692, 118367), (2887, 28372), (5774, 14186), (7093, 11548)]