1957149865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{1997}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 2603218176

約数和(自身を除く): 646068311

約数列:

[1, 5, 11, 55, 103, 173, 515, 865, 1133, 1903, 1997, 5665, 9515, 9985, 17819, 21967, 89095, 109835, 196009, 205691, 345481, 980045, 1028455, 1727405, 2262601, 3800291, 11313005, 19001455, 35584543, 177922715, 391429973, 1957149865]

約数ペア:

[(1, 1957149865), (5, 391429973), (11, 177922715), (55, 35584543), (103, 19001455), (173, 11313005), (515, 3800291), (865, 2262601), (1133, 1727405), (1903, 1028455), (1997, 980045), (5665, 345481), (9515, 205691), (9985, 196009), (17819, 109835), (21967, 89095)]