54321335

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 66242880

約数和(自身を除く): 11921545

約数列:

[1, 5, 101, 263, 409, 505, 1315, 2045, 26563, 41309, 107567, 132815, 206545, 537835, 10864267, 54321335]

約数ペア:

[(1, 54321335), (5, 10864267), (101, 537835), (263, 206545), (409, 132815), (505, 107567), (1315, 41309), (2045, 26563)]