28798777

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 33903232

約数和(自身を除く): 5104455

約数列:

[1, 7, 43, 241, 301, 397, 1687, 2779, 10363, 17071, 72541, 95677, 119497, 669739, 4114111, 28798777]

約数ペア:

[(1, 28798777), (7, 4114111), (43, 669739), (241, 119497), (301, 95677), (397, 72541), (1687, 17071), (2779, 10363)]