81390836

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{14503}}^1$

素因数の和:14591

約数の個数: 24

約数和(自身を含む): 151073664

約数和(自身を除く): 69682828

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 5612, 14503, 29006, 58012, 333569, 667138, 884683, 1334276, 1769366, 3538732, 20347709, 40695418, 81390836]

約数ペア:

[(1, 81390836), (2, 40695418), (4, 20347709), (23, 3538732), (46, 1769366), (61, 1334276), (92, 884683), (122, 667138), (244, 333569), (1403, 58012), (2806, 29006), (5612, 14503)]