201990230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553771}}^1$

素因数の和:1553791

約数の個数: 16

約数和(自身を含む): 391550544

約数和(自身を除く): 189560314

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1553771, 3107542, 7768855, 15537710, 20199023, 40398046, 100995115, 201990230]

約数ペア:

[(1, 201990230), (2, 100995115), (5, 40398046), (10, 20199023), (13, 15537710), (26, 7768855), (65, 3107542), (130, 1553771)]