81643832

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{329209}}^1$

素因数の和:329246

約数の個数: 16

約数和(自身を含む): 158020800

約数和(自身を除く): 76376968

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 329209, 658418, 1316836, 2633672, 10205479, 20410958, 40821916, 81643832]

約数ペア:

[(1, 81643832), (2, 40821916), (4, 20410958), (8, 10205479), (31, 2633672), (62, 1316836), (124, 658418), (248, 329209)]