81730072

素因数分解:

$2^3\times {\mathrm{997}}^1\times {\mathrm{10247}}^1$

素因数の和:11250

約数の個数: 16

約数和(自身を含む): 153412560

約数和(自身を除く): 71682488

約数列:

[1, 2, 4, 8, 997, 1994, 3988, 7976, 10247, 20494, 40988, 81976, 10216259, 20432518, 40865036, 81730072]

約数ペア:

[(1, 81730072), (2, 40865036), (4, 20432518), (8, 10216259), (997, 81976), (1994, 40988), (3988, 20494), (7976, 10247)]