81899138

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{3359}}^1$

素因数の和:3601

約数の個数: 16

約数和(自身を含む): 125314560

約数和(自身を除く): 43415422

約数列:

[1, 2, 73, 146, 167, 334, 3359, 6718, 12191, 24382, 245207, 490414, 560953, 1121906, 40949569, 81899138]

約数ペア:

[(1, 81899138), (2, 40949569), (73, 1121906), (146, 560953), (167, 490414), (334, 245207), (3359, 24382), (6718, 12191)]