161644190

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{36821}}^1$

素因数の和:37267

約数の個数: 16

約数和(自身を含む): 291630240

約数和(自身を除く): 129986050

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 36821, 73642, 184105, 368210, 16164419, 32328838, 80822095, 161644190]

約数ペア:

[(1, 161644190), (2, 80822095), (5, 32328838), (10, 16164419), (439, 368210), (878, 184105), (2195, 73642), (4390, 36821)]