2161214881

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{51193}}^1$

素因数の和:51400

約数の個数: 16

約数和(自身を含む): 2552328064

約数和(自身を除く): 391113183

約数列:

[1, 7, 37, 163, 259, 1141, 6031, 42217, 51193, 358351, 1894141, 8344459, 13258987, 58411213, 308744983, 2161214881]

約数ペア:

[(1, 2161214881), (7, 308744983), (37, 58411213), (163, 13258987), (259, 8344459), (1141, 1894141), (6031, 358351), (42217, 51193)]