22420489

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 28597128

約数和(自身を除く): 6176639

約数列:

[1, 7, 13, 49, 61, 91, 427, 577, 637, 793, 2989, 4039, 5551, 7501, 28273, 35197, 38857, 52507, 246379, 367549, 457561, 1724653, 3202927, 22420489]

約数ペア:

[(1, 22420489), (7, 3202927), (13, 1724653), (49, 457561), (61, 367549), (91, 246379), (427, 52507), (577, 38857), (637, 35197), (793, 28273), (2989, 7501), (4039, 5551)]