81212512

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{30577}}^1$

素因数の和:30670

約数の個数: 24

約数和(自身を含む): 161818776

約数和(自身を除く): 80606264

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 30577, 61154, 122308, 244616, 489232, 978464, 2537891, 5075782, 10151564, 20303128, 40606256, 81212512]

約数ペア:

[(1, 81212512), (2, 40606256), (4, 20303128), (8, 10151564), (16, 5075782), (32, 2537891), (83, 978464), (166, 489232), (332, 244616), (664, 122308), (1328, 61154), (2656, 30577)]