11970985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4283}}^1$

素因数の和:4344

約数の個数: 16

約数和(自身を含む): 15833664

約数和(自身を除く): 3862679

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 4283, 21415, 55679, 184169, 278395, 920845, 2394197, 11970985]

約数ペア:

[(1, 11970985), (5, 2394197), (13, 920845), (43, 278395), (65, 184169), (215, 55679), (559, 21415), (2795, 4283)]