81831436

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 145363680

約数和(自身を除く): 63532244

約数列:

[1, 2, 4, 113, 197, 226, 394, 452, 788, 919, 1838, 3676, 22261, 44522, 89044, 103847, 181043, 207694, 362086, 415388, 724172, 20457859, 40915718, 81831436]

約数ペア:

[(1, 81831436), (2, 40915718), (4, 20457859), (113, 724172), (197, 415388), (226, 362086), (394, 207694), (452, 181043), (788, 103847), (919, 89044), (1838, 44522), (3676, 22261)]