51720012

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{4937}}^1$

素因数の和:5047

約数の個数: 48

約数和(自身を含む): 135498720

約数和(自身を除く): 83778708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 2619, 3492, 4937, 5238, 9874, 10476, 14811, 19748, 29622, 44433, 59244, 88866, 133299, 177732, 266598, 478889, 533196, 957778, 1436667, 1915556, 2873334, 4310001, 5746668, 8620002, 12930003, 17240004, 25860006, 51720012]

約数ペア:

[(1, 51720012), (2, 25860006), (3, 17240004), (4, 12930003), (6, 8620002), (9, 5746668), (12, 4310001), (18, 2873334), (27, 1915556), (36, 1436667), (54, 957778), (97, 533196), (108, 478889), (194, 266598), (291, 177732), (388, 133299), (582, 88866), (873, 59244), (1164, 44433), (1746, 29622), (2619, 19748), (3492, 14811), (4937, 10476), (5238, 9874)]