2009602205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{718999}}^1$

素因数の和:719060

約数の個数: 16

約数和(自身を含む): 2657424000

約数和(自身を除く): 647821795

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 718999, 3594995, 9346987, 30916957, 46734935, 154584785, 401920441, 2009602205]

約数ペア:

[(1, 2009602205), (5, 401920441), (13, 154584785), (43, 46734935), (65, 30916957), (215, 9346987), (559, 3594995), (2795, 718999)]