81654410

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{42751}}^1$

素因数の和:42949

約数の個数: 16

約数和(自身を含む): 147750912

約数和(自身を除く): 66096502

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 42751, 85502, 213755, 427510, 8165441, 16330882, 40827205, 81654410]

約数ペア:

[(1, 81654410), (2, 40827205), (5, 16330882), (10, 8165441), (191, 427510), (382, 213755), (955, 85502), (1910, 42751)]