81398256

素因数分解:

$2^4\times 3^1\times {\mathrm{1695797}}^1$

素因数の和:1695808

約数の個数: 20

約数和(自身を含む): 210278952

約数和(自身を除く): 128880696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1695797, 3391594, 5087391, 6783188, 10174782, 13566376, 20349564, 27132752, 40699128, 81398256]

約数ペア:

[(1, 81398256), (2, 40699128), (3, 27132752), (4, 20349564), (6, 13566376), (8, 10174782), (12, 6783188), (16, 5087391), (24, 3391594), (48, 1695797)]