140654321

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{643}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 153787200

約数和(自身を除く): 13132879

約数列:

[1, 19, 29, 397, 551, 643, 7543, 11513, 12217, 18647, 218747, 255271, 354293, 4850149, 7402859, 140654321]

約数ペア:

[(1, 140654321), (19, 7402859), (29, 4850149), (397, 354293), (551, 255271), (643, 218747), (7543, 18647), (11513, 12217)]