31290498

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{40427}}^1$

素因数の和:40478

約数の個数: 24

約数和(自身を含む): 69374448

約数和(自身を除く): 38083950

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 40427, 80854, 121281, 242562, 363843, 727686, 1738361, 3476722, 5215083, 10430166, 15645249, 31290498]

約数ペア:

[(1, 31290498), (2, 15645249), (3, 10430166), (6, 5215083), (9, 3476722), (18, 1738361), (43, 727686), (86, 363843), (129, 242562), (258, 121281), (387, 80854), (774, 40427)]