81123972

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157217}}^1$

素因数の和:157267

約数の個数: 24

約数和(自身を含む): 193692576

約数和(自身を除く): 112568604

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 157217, 314434, 471651, 628868, 943302, 1886604, 6760331, 13520662, 20280993, 27041324, 40561986, 81123972]

約数ペア:

[(1, 81123972), (2, 40561986), (3, 27041324), (4, 20280993), (6, 13520662), (12, 6760331), (43, 1886604), (86, 943302), (129, 628868), (172, 471651), (258, 314434), (516, 157217)]