81232172

素因数分解:

$2^2\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{2113}}^1$

素因数の和:3497

約数の個数: 24

約数和(自身を含む): 162659616

約数和(自身を除く): 81427444

約数列:

[1, 2, 4, 7, 14, 28, 1373, 2113, 2746, 4226, 5492, 8452, 9611, 14791, 19222, 29582, 38444, 59164, 2901149, 5802298, 11604596, 20308043, 40616086, 81232172]

約数ペア:

[(1, 81232172), (2, 40616086), (4, 20308043), (7, 11604596), (14, 5802298), (28, 2901149), (1373, 59164), (2113, 38444), (2746, 29582), (4226, 19222), (5492, 14791), (8452, 9611)]