28141307

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 30821472

約数和(自身を除く): 2680165

約数列:

[1, 17, 43, 137, 281, 731, 2329, 4777, 5891, 12083, 38497, 100147, 205411, 654449, 1655371, 28141307]

約数ペア:

[(1, 28141307), (17, 1655371), (43, 654449), (137, 205411), (281, 100147), (731, 38497), (2329, 12083), (4777, 5891)]