2021188535

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{12889}}^1$

素因数の和:13370

約数の個数: 16

約数和(自身を含む): 2462505600

約数和(自身を除く): 441317065

約数列:

[1, 5, 79, 395, 397, 1985, 12889, 31363, 64445, 156815, 1018231, 5091155, 5116933, 25584665, 404237707, 2021188535]

約数ペア:

[(1, 2021188535), (5, 404237707), (79, 25584665), (395, 5116933), (397, 5091155), (1985, 1018231), (12889, 156815), (31363, 64445)]