81648830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{189881}}^1$

素因数の和:189931

約数の個数: 16

約数和(自身を含む): 150386544

約数和(自身を除く): 68737714

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 189881, 379762, 949405, 1898810, 8164883, 16329766, 40824415, 81648830]

約数ペア:

[(1, 81648830), (2, 40824415), (5, 16329766), (10, 8164883), (43, 1898810), (86, 949405), (215, 379762), (430, 189881)]