81621454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{126349}}^1$

素因数の和:126387

約数の個数: 16

約数和(自身を含む): 136458000

約数和(自身を除く): 54836546

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 126349, 252698, 2147933, 2400631, 4295866, 4801262, 40810727, 81621454]

約数ペア:

[(1, 81621454), (2, 40810727), (17, 4801262), (19, 4295866), (34, 2400631), (38, 2147933), (323, 252698), (646, 126349)]