1215623899

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{22013}}^1$

素因数の和:22064

約数の個数: 20

約数和(自身を含む): 1479869136

約数和(自身を除く): 264245237

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 7889, 22013, 55223, 154091, 506299, 1078637, 3544093, 7550459, 24808651, 52853213, 173660557, 1215623899]

約数ペア:

[(1, 1215623899), (7, 173660557), (23, 52853213), (49, 24808651), (161, 7550459), (343, 3544093), (1127, 1078637), (2401, 506299), (7889, 154091), (22013, 55223)]