138241168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{664621}}^1$

素因数の和:664642

約数の個数: 20

約数和(自身を含む): 288445948

約数和(自身を除く): 150204780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 664621, 1329242, 2658484, 5316968, 8640073, 10633936, 17280146, 34560292, 69120584, 138241168]

約数ペア:

[(1, 138241168), (2, 69120584), (4, 34560292), (8, 17280146), (13, 10633936), (16, 8640073), (26, 5316968), (52, 2658484), (104, 1329242), (208, 664621)]