1990609999

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{51137}}^1$

素因数の和:51294

約数の個数: 16

約数和(自身を含む): 2336802048

約数和(自身を除く): 346192049

約数列:

[1, 7, 67, 83, 469, 581, 5561, 38927, 51137, 357959, 3426179, 4244371, 23983253, 29710597, 284372857, 1990609999]

約数ペア:

[(1, 1990609999), (7, 284372857), (67, 29710597), (83, 23983253), (469, 4244371), (581, 3426179), (5561, 357959), (38927, 51137)]