81440872

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{53299}}^1$

素因数の和:53496

約数の個数: 16

約数和(自身を含む): 153504000

約数和(自身を除く): 72063128

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 53299, 106598, 213196, 426392, 10180109, 20360218, 40720436, 81440872]

約数ペア:

[(1, 81440872), (2, 40720436), (4, 20360218), (8, 10180109), (191, 426392), (382, 213196), (764, 106598), (1528, 53299)]