81973016

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{45949}}^1$

素因数の和:46178

約数の個数: 16

約数和(自身を含む): 154392000

約数和(自身を除く): 72418984

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 45949, 91898, 183796, 367592, 10246627, 20493254, 40986508, 81973016]

約数ペア:

[(1, 81973016), (2, 40986508), (4, 20493254), (8, 10246627), (223, 367592), (446, 183796), (892, 91898), (1784, 45949)]