81440056

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{442609}}^1$

素因数の和:442638

約数の個数: 16

約数和(自身を含む): 159339600

約数和(自身を除く): 77899544

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 442609, 885218, 1770436, 3540872, 10180007, 20360014, 40720028, 81440056]

約数ペア:

[(1, 81440056), (2, 40720028), (4, 20360014), (8, 10180007), (23, 3540872), (46, 1770436), (92, 885218), (184, 442609)]