201990512927

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{2777}}^1\times {\mathrm{241651}}^1$

素因数の和:244478

約数の個数: 16

約数和(自身を含む): 236300858112

約数和(自身を除く): 34310345185

約数列:

[1, 7, 43, 301, 2777, 19439, 119411, 241651, 835877, 1691557, 10390993, 72736951, 671064827, 4697453789, 28855787561, 201990512927]

約数ペア:

[(1, 201990512927), (7, 28855787561), (43, 4697453789), (301, 671064827), (2777, 72736951), (19439, 10390993), (119411, 1691557), (241651, 835877)]