201990513065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193292357}}^1$

素因数の和:193292392

約数の個数: 16

約数和(自身を含む): 278340995520

約数和(自身を除く): 76350482455

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 193292357, 966461785, 2126215927, 3672554783, 10631079635, 18362773915, 40398102613, 201990513065]

約数ペア:

[(1, 201990513065), (5, 40398102613), (11, 18362773915), (19, 10631079635), (55, 3672554783), (95, 2126215927), (209, 966461785), (1045, 193292357)]