201787664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{970133}}^1$

素因数の和:970154

約数の個数: 20

約数和(自身を含む): 421038156

約数和(自身を除く): 219250492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 970133, 1940266, 3880532, 7761064, 12611729, 15522128, 25223458, 50446916, 100893832, 201787664]

約数ペア:

[(1, 201787664), (2, 100893832), (4, 50446916), (8, 25223458), (13, 15522128), (16, 12611729), (26, 7761064), (52, 3880532), (104, 1940266), (208, 970133)]