12801776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61547}}^1$

素因数の和:61568

約数の個数: 20

約数和(自身を含む): 26711832

約数和(自身を除く): 13910056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61547, 123094, 246188, 492376, 800111, 984752, 1600222, 3200444, 6400888, 12801776]

約数ペア:

[(1, 12801776), (2, 6400888), (4, 3200444), (8, 1600222), (13, 984752), (16, 800111), (26, 492376), (52, 246188), (104, 123094), (208, 61547)]