28178647588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{8443}}^1$

素因数の和:8693

約数の個数: 96

約数和(自身を含む): 62202422016

約数和(自身を除く): 34023774428

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 173, 182, 212, 346, 364, 371, 689, 692, 742, 1211, 1378, 1484, 2249, 2422, 2756, 4498, 4823, 4844, 8443, 8996, 9169, 9646, 15743, 16886, 18338, 19292, 31486, 33772, 36676, 59101, 62972, 64183, 109759, 118202, 119197, 128366, 219518, 236404, 238394, 256732, 439036, 447479, 476788, 768313, 834379, 894958, 1460639, 1536626, 1668758, 1789916, 2921278, 3073252, 3132353, 3337516, 5817227, 5842556, 6264706, 10224473, 11634454, 12529412, 18988307, 20448946, 23268908, 37976614, 40720589, 40897892, 75953228, 77413867, 81441178, 132918149, 154827734, 162882356, 265836298, 309655468, 531672596, 541897069, 1006380271, 1083794138, 2012760542, 2167588276, 4025521084, 7044661897, 14089323794, 28178647588]

約数ペア:

[(1, 28178647588), (2, 14089323794), (4, 7044661897), (7, 4025521084), (13, 2167588276), (14, 2012760542), (26, 1083794138), (28, 1006380271), (52, 541897069), (53, 531672596), (91, 309655468), (106, 265836298), (173, 162882356), (182, 154827734), (212, 132918149), (346, 81441178), (364, 77413867), (371, 75953228), (689, 40897892), (692, 40720589), (742, 37976614), (1211, 23268908), (1378, 20448946), (1484, 18988307), (2249, 12529412), (2422, 11634454), (2756, 10224473), (4498, 6264706), (4823, 5842556), (4844, 5817227), (8443, 3337516), (8996, 3132353), (9169, 3073252), (9646, 2921278), (15743, 1789916), (16886, 1668758), (18338, 1536626), (19292, 1460639), (31486, 894958), (33772, 834379), (36676, 768313), (59101, 476788), (62972, 447479), (64183, 439036), (109759, 256732), (118202, 238394), (119197, 236404), (128366, 219518)]