81730894

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307259}}^1$

素因数の和:307287

約数の個数: 16

約数和(自身を含む): 147484800

約数和(自身を除く): 65753906

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 307259, 614518, 2150813, 4301626, 5837921, 11675842, 40865447, 81730894]

約数ペア:

[(1, 81730894), (2, 40865447), (7, 11675842), (14, 5837921), (19, 4301626), (38, 2150813), (133, 614518), (266, 307259)]