906800258

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^2\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 72

約数和(自身を含む): 1727953344

約数和(自身を除く): 821153086

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 103, 122, 169, 182, 206, 338, 427, 721, 793, 854, 1183, 1339, 1442, 1586, 2366, 2678, 3721, 5551, 6283, 7442, 9373, 10309, 11102, 12566, 17407, 18746, 20618, 26047, 34814, 43981, 48373, 52094, 72163, 81679, 87962, 96746, 121849, 144326, 163358, 243698, 338611, 383263, 571753, 628849, 677222, 766526, 1061827, 1143506, 1257698, 2123654, 2682841, 4401943, 4982419, 5365682, 7432789, 8803886, 9964838, 14865578, 34876933, 64771447, 69753866, 129542894, 453400129, 906800258]

約数ペア:

[(1, 906800258), (2, 453400129), (7, 129542894), (13, 69753866), (14, 64771447), (26, 34876933), (61, 14865578), (91, 9964838), (103, 8803886), (122, 7432789), (169, 5365682), (182, 4982419), (206, 4401943), (338, 2682841), (427, 2123654), (721, 1257698), (793, 1143506), (854, 1061827), (1183, 766526), (1339, 677222), (1442, 628849), (1586, 571753), (2366, 383263), (2678, 338611), (3721, 243698), (5551, 163358), (6283, 144326), (7442, 121849), (9373, 96746), (10309, 87962), (11102, 81679), (12566, 72163), (17407, 52094), (18746, 48373), (20618, 43981), (26047, 34814)]