2198515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 2923776

約数和(自身を除く): 725261

約数列:

[1, 5, 11, 55, 71, 355, 563, 781, 2815, 3905, 6193, 30965, 39973, 199865, 439703, 2198515]

約数ペア:

[(1, 2198515), (5, 439703), (11, 199865), (55, 39973), (71, 30965), (355, 6193), (563, 3905), (781, 2815)]