81237616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267229}}^1$

素因数の和:267256

約数の個数: 20

約数和(自身を含む): 165682600

約数和(自身を除く): 84444984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267229, 534458, 1068916, 2137832, 4275664, 5077351, 10154702, 20309404, 40618808, 81237616]

約数ペア:

[(1, 81237616), (2, 40618808), (4, 20309404), (8, 10154702), (16, 5077351), (19, 4275664), (38, 2137832), (76, 1068916), (152, 534458), (304, 267229)]