28699349

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 35754048

約数和(自身を除く): 7054699

約数列:

[1, 7, 17, 49, 119, 131, 263, 833, 917, 1841, 2227, 4471, 6419, 12887, 15589, 31297, 34453, 109123, 219079, 241171, 585701, 1688197, 4099907, 28699349]

約数ペア:

[(1, 28699349), (7, 4099907), (17, 1688197), (49, 585701), (119, 241171), (131, 219079), (263, 109123), (833, 34453), (917, 31297), (1841, 15589), (2227, 12887), (4471, 6419)]