9774215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2590

約数の個数: 16

約数和(自身を含む): 12980736

約数和(自身を除く): 3206521

約数列:

[1, 5, 11, 55, 71, 355, 781, 2503, 3905, 12515, 27533, 137665, 177713, 888565, 1954843, 9774215]

約数ペア:

[(1, 9774215), (5, 1954843), (11, 888565), (55, 177713), (71, 137665), (355, 27533), (781, 12515), (2503, 3905)]