2181989988

素因数分解:

$2^2\times 3^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1979}}^1$

素因数の和:2119

約数の個数: 120

約数和(自身を含む): 5916667680

約数和(自身を除く): 3734677692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 83, 108, 123, 162, 164, 166, 246, 249, 324, 332, 369, 492, 498, 738, 747, 996, 1107, 1476, 1494, 1979, 2214, 2241, 2988, 3321, 3403, 3958, 4428, 4482, 5937, 6642, 6723, 6806, 7916, 8964, 10209, 11874, 13284, 13446, 13612, 17811, 20418, 23748, 26892, 30627, 35622, 40836, 53433, 61254, 71244, 81139, 91881, 106866, 122508, 160299, 162278, 164257, 183762, 213732, 243417, 275643, 320598, 324556, 328514, 367524, 486834, 492771, 551286, 641196, 657028, 730251, 973668, 985542, 1102572, 1460502, 1478313, 1971084, 2190753, 2921004, 2956626, 4381506, 4434939, 5913252, 6572259, 6734537, 8763012, 8869878, 13144518, 13304817, 13469074, 17739756, 20203611, 26289036, 26609634, 26938148, 40407222, 53219268, 60610833, 80814444, 121221666, 181832499, 242443332, 363664998, 545497497, 727329996, 1090994994, 2181989988]

約数ペア:

[(1, 2181989988), (2, 1090994994), (3, 727329996), (4, 545497497), (6, 363664998), (9, 242443332), (12, 181832499), (18, 121221666), (27, 80814444), (36, 60610833), (41, 53219268), (54, 40407222), (81, 26938148), (82, 26609634), (83, 26289036), (108, 20203611), (123, 17739756), (162, 13469074), (164, 13304817), (166, 13144518), (246, 8869878), (249, 8763012), (324, 6734537), (332, 6572259), (369, 5913252), (492, 4434939), (498, 4381506), (738, 2956626), (747, 2921004), (996, 2190753), (1107, 1971084), (1476, 1478313), (1494, 1460502), (1979, 1102572), (2214, 985542), (2241, 973668), (2988, 730251), (3321, 657028), (3403, 641196), (3958, 551286), (4428, 492771), (4482, 486834), (5937, 367524), (6642, 328514), (6723, 324556), (6806, 320598), (7916, 275643), (8964, 243417), (10209, 213732), (11874, 183762), (13284, 164257), (13446, 162278), (13612, 160299), (17811, 122508), (20418, 106866), (23748, 91881), (26892, 81139), (30627, 71244), (35622, 61254), (40836, 53433)]