77878437

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 135905280

約数和(自身を除く): 58026843

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 79, 91, 157, 161, 237, 273, 299, 471, 483, 553, 897, 1027, 1099, 1659, 1817, 2041, 2093, 3081, 3297, 3611, 5451, 6123, 6279, 7189, 10833, 12403, 12719, 14287, 21567, 23621, 25277, 37209, 38157, 42861, 46943, 70863, 75831, 86821, 140829, 161239, 165347, 260463, 285269, 328601, 483717, 496041, 855807, 985803, 1128673, 1996883, 3386019, 3708497, 5990649, 11125491, 25959479, 77878437]

約数ペア:

[(1, 77878437), (3, 25959479), (7, 11125491), (13, 5990649), (21, 3708497), (23, 3386019), (39, 1996883), (69, 1128673), (79, 985803), (91, 855807), (157, 496041), (161, 483717), (237, 328601), (273, 285269), (299, 260463), (471, 165347), (483, 161239), (553, 140829), (897, 86821), (1027, 75831), (1099, 70863), (1659, 46943), (1817, 42861), (2041, 38157), (2093, 37209), (3081, 25277), (3297, 23621), (3611, 21567), (5451, 14287), (6123, 12719), (6279, 12403), (7189, 10833)]