28678608

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1281

約数の個数: 120

約数和(自身を含む): 95791488

約数和(自身を除く): 67112880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 966, 1008, 1104, 1237, 1288, 1449, 1656, 1932, 2474, 2576, 2898, 3312, 3711, 3864, 4948, 5796, 7422, 7728, 8659, 9896, 11133, 11592, 14844, 17318, 19792, 22266, 23184, 25977, 28451, 29688, 34636, 44532, 51954, 56902, 59376, 69272, 77931, 85353, 89064, 103908, 113804, 138544, 155862, 170706, 178128, 199157, 207816, 227608, 256059, 311724, 341412, 398314, 415632, 455216, 512118, 597471, 623448, 682824, 796628, 1024236, 1194942, 1246896, 1365648, 1593256, 1792413, 2048472, 2389884, 3186512, 3584826, 4096944, 4779768, 7169652, 9559536, 14339304, 28678608]

約数ペア:

[(1, 28678608), (2, 14339304), (3, 9559536), (4, 7169652), (6, 4779768), (7, 4096944), (8, 3584826), (9, 3186512), (12, 2389884), (14, 2048472), (16, 1792413), (18, 1593256), (21, 1365648), (23, 1246896), (24, 1194942), (28, 1024236), (36, 796628), (42, 682824), (46, 623448), (48, 597471), (56, 512118), (63, 455216), (69, 415632), (72, 398314), (84, 341412), (92, 311724), (112, 256059), (126, 227608), (138, 207816), (144, 199157), (161, 178128), (168, 170706), (184, 155862), (207, 138544), (252, 113804), (276, 103908), (322, 89064), (336, 85353), (368, 77931), (414, 69272), (483, 59376), (504, 56902), (552, 51954), (644, 44532), (828, 34636), (966, 29688), (1008, 28451), (1104, 25977), (1237, 23184), (1288, 22266), (1449, 19792), (1656, 17318), (1932, 14844), (2474, 11592), (2576, 11133), (2898, 9896), (3312, 8659), (3711, 7728), (3864, 7422), (4948, 5796)]