81656930

素因数分解:

$2^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{17713}}^1$

素因数の和:18181

約数の個数: 16

約数和(自身を含む): 147309624

約数和(自身を除く): 65652694

約数列:

[1, 2, 5, 10, 461, 922, 2305, 4610, 17713, 35426, 88565, 177130, 8165693, 16331386, 40828465, 81656930]

約数ペア:

[(1, 81656930), (2, 40828465), (5, 16331386), (10, 8165693), (461, 177130), (922, 88565), (2305, 35426), (4610, 17713)]