81594448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{392281}}^1$

素因数の和:392302

約数の個数: 20

約数和(自身を含む): 170250388

約数和(自身を除く): 88655940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 392281, 784562, 1569124, 3138248, 5099653, 6276496, 10199306, 20398612, 40797224, 81594448]

約数ペア:

[(1, 81594448), (2, 40797224), (4, 20398612), (8, 10199306), (13, 6276496), (16, 5099653), (26, 3138248), (52, 1569124), (104, 784562), (208, 392281)]