81125072

素因数分解:

$2^4\times 7^1\times {\mathrm{724331}}^1$

素因数の和:724346

約数の個数: 20

約数和(自身を含む): 179634336

約数和(自身を除く): 98509264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724331, 1448662, 2897324, 5070317, 5794648, 10140634, 11589296, 20281268, 40562536, 81125072]

約数ペア:

[(1, 81125072), (2, 40562536), (4, 20281268), (7, 11589296), (8, 10140634), (14, 5794648), (16, 5070317), (28, 2897324), (56, 1448662), (112, 724331)]