28698901

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 37248512

約数和(自身を除く): 8549611

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 847, 1093, 2387, 3751, 7651, 12023, 26257, 33883, 84161, 132253, 237181, 372713, 925771, 2608991, 4099843, 28698901]

約数ペア:

[(1, 28698901), (7, 4099843), (11, 2608991), (31, 925771), (77, 372713), (121, 237181), (217, 132253), (341, 84161), (847, 33883), (1093, 26257), (2387, 12023), (3751, 7651)]