820319615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{1811}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 1057345488

約数和(自身を除く): 237025873

約数列:

[1, 5, 17, 73, 85, 365, 1241, 1811, 5329, 6205, 9055, 26645, 30787, 90593, 132203, 153935, 452965, 661015, 2247451, 9650819, 11237255, 48254095, 164063923, 820319615]

約数ペア:

[(1, 820319615), (5, 164063923), (17, 48254095), (73, 11237255), (85, 9650819), (365, 2247451), (1241, 661015), (1811, 452965), (5329, 153935), (6205, 132203), (9055, 90593), (26645, 30787)]