72686512

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{105649}}^1$

素因数の和:105700

約数の個数: 20

約数和(自身を含む): 144106600

約数和(自身を除く): 71420088

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 105649, 211298, 422596, 845192, 1690384, 4542907, 9085814, 18171628, 36343256, 72686512]

約数ペア:

[(1, 72686512), (2, 36343256), (4, 18171628), (8, 9085814), (16, 4542907), (43, 1690384), (86, 845192), (172, 422596), (344, 211298), (688, 105649)]