28409652

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 77385672

約数和(自身を除く): 48976020

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 549, 612, 732, 761, 1037, 1098, 1522, 2074, 2196, 2283, 3044, 3111, 4148, 4566, 6222, 6849, 9132, 9333, 12444, 12937, 13698, 18666, 25874, 27396, 37332, 38811, 46421, 51748, 77622, 92842, 116433, 139263, 155244, 185684, 232866, 278526, 417789, 465732, 557052, 789157, 835578, 1578314, 1671156, 2367471, 3156628, 4734942, 7102413, 9469884, 14204826, 28409652]

約数ペア:

[(1, 28409652), (2, 14204826), (3, 9469884), (4, 7102413), (6, 4734942), (9, 3156628), (12, 2367471), (17, 1671156), (18, 1578314), (34, 835578), (36, 789157), (51, 557052), (61, 465732), (68, 417789), (102, 278526), (122, 232866), (153, 185684), (183, 155244), (204, 139263), (244, 116433), (306, 92842), (366, 77622), (549, 51748), (612, 46421), (732, 38811), (761, 37332), (1037, 27396), (1098, 25874), (1522, 18666), (2074, 13698), (2196, 12937), (2283, 12444), (3044, 9333), (3111, 9132), (4148, 6849), (4566, 6222)]