1998508710258

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{7351}}^1\times {\mathrm{15241}}^1$

素因数の和:23591

約数の個数: 48

約数和(自身を含む): 4335345710592

約数和(自身を除く): 2336837000334

約数列:

[1, 2, 3, 6, 9, 18, 991, 1982, 2973, 5946, 7351, 8919, 14702, 15241, 17838, 22053, 30482, 44106, 45723, 66159, 91446, 132318, 137169, 274338, 7284841, 14569682, 15103831, 21854523, 30207662, 43709046, 45311493, 65563569, 90622986, 112036591, 131127138, 135934479, 224073182, 271868958, 336109773, 672219546, 1008329319, 2016658638, 111028261681, 222056523362, 333084785043, 666169570086, 999254355129, 1998508710258]

約数ペア:

[(1, 1998508710258), (2, 999254355129), (3, 666169570086), (6, 333084785043), (9, 222056523362), (18, 111028261681), (991, 2016658638), (1982, 1008329319), (2973, 672219546), (5946, 336109773), (7351, 271868958), (8919, 224073182), (14702, 135934479), (15241, 131127138), (17838, 112036591), (22053, 90622986), (30482, 65563569), (44106, 45311493), (45723, 43709046), (66159, 30207662), (91446, 21854523), (132318, 15103831), (137169, 14569682), (274338, 7284841)]