81904568

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{53047}}^1$

素因数の和:53246

約数の個数: 16

約数和(自身を含む): 154369680

約数和(自身を除く): 72465112

約数列:

[1, 2, 4, 8, 193, 386, 772, 1544, 53047, 106094, 212188, 424376, 10238071, 20476142, 40952284, 81904568]

約数ペア:

[(1, 81904568), (2, 40952284), (4, 20476142), (8, 10238071), (193, 424376), (386, 212188), (772, 106094), (1544, 53047)]