28504427

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 36977040

約数和(自身を除く): 8472613

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 1801, 2261, 12607, 15827, 30617, 34219, 88249, 214319, 239533, 581723, 1500233, 1676731, 4072061, 28504427]

約数ペア:

[(1, 28504427), (7, 4072061), (17, 1676731), (19, 1500233), (49, 581723), (119, 239533), (133, 214319), (323, 88249), (833, 34219), (931, 30617), (1801, 15827), (2261, 12607)]