278509608

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1997}}^1$

素因数の和:2171

約数の個数: 96

約数和(自身を含む): 818181000

約数和(自身を除く): 539671392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 149, 156, 234, 298, 312, 447, 468, 596, 894, 936, 1192, 1341, 1788, 1937, 1997, 2682, 3576, 3874, 3994, 5364, 5811, 5991, 7748, 7988, 10728, 11622, 11982, 15496, 15976, 17433, 17973, 23244, 23964, 25961, 34866, 35946, 46488, 47928, 51922, 69732, 71892, 77883, 103844, 139464, 143784, 155766, 207688, 233649, 297553, 311532, 467298, 595106, 623064, 892659, 934596, 1190212, 1785318, 1869192, 2380424, 2677977, 3570636, 3868189, 5355954, 7141272, 7736378, 10711908, 11604567, 15472756, 21423816, 23209134, 30945512, 34813701, 46418268, 69627402, 92836536, 139254804, 278509608]

約数ペア:

[(1, 278509608), (2, 139254804), (3, 92836536), (4, 69627402), (6, 46418268), (8, 34813701), (9, 30945512), (12, 23209134), (13, 21423816), (18, 15472756), (24, 11604567), (26, 10711908), (36, 7736378), (39, 7141272), (52, 5355954), (72, 3868189), (78, 3570636), (104, 2677977), (117, 2380424), (149, 1869192), (156, 1785318), (234, 1190212), (298, 934596), (312, 892659), (447, 623064), (468, 595106), (596, 467298), (894, 311532), (936, 297553), (1192, 233649), (1341, 207688), (1788, 155766), (1937, 143784), (1997, 139464), (2682, 103844), (3576, 77883), (3874, 71892), (3994, 69732), (5364, 51922), (5811, 47928), (5991, 46488), (7748, 35946), (7988, 34866), (10728, 25961), (11622, 23964), (11982, 23244), (15496, 17973), (15976, 17433)]