28013496

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 84672000

約数和(自身を除く): 56658504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 49, 56, 82, 83, 84, 98, 123, 147, 164, 166, 168, 196, 246, 249, 287, 294, 328, 332, 343, 392, 492, 498, 574, 581, 588, 664, 686, 861, 984, 996, 1029, 1148, 1162, 1176, 1372, 1722, 1743, 1992, 2009, 2058, 2296, 2324, 2744, 3403, 3444, 3486, 4018, 4067, 4116, 4648, 6027, 6806, 6888, 6972, 8036, 8134, 8232, 10209, 12054, 12201, 13612, 13944, 14063, 16072, 16268, 20418, 23821, 24108, 24402, 27224, 28126, 28469, 32536, 40836, 42189, 47642, 48216, 48804, 56252, 56938, 71463, 81672, 84378, 85407, 95284, 97608, 112504, 113876, 142926, 166747, 168756, 170814, 190568, 227752, 285852, 333494, 337512, 341628, 500241, 571704, 666988, 683256, 1000482, 1167229, 1333976, 2000964, 2334458, 3501687, 4001928, 4668916, 7003374, 9337832, 14006748, 28013496]

約数ペア:

[(1, 28013496), (2, 14006748), (3, 9337832), (4, 7003374), (6, 4668916), (7, 4001928), (8, 3501687), (12, 2334458), (14, 2000964), (21, 1333976), (24, 1167229), (28, 1000482), (41, 683256), (42, 666988), (49, 571704), (56, 500241), (82, 341628), (83, 337512), (84, 333494), (98, 285852), (123, 227752), (147, 190568), (164, 170814), (166, 168756), (168, 166747), (196, 142926), (246, 113876), (249, 112504), (287, 97608), (294, 95284), (328, 85407), (332, 84378), (343, 81672), (392, 71463), (492, 56938), (498, 56252), (574, 48804), (581, 48216), (588, 47642), (664, 42189), (686, 40836), (861, 32536), (984, 28469), (996, 28126), (1029, 27224), (1148, 24402), (1162, 24108), (1176, 23821), (1372, 20418), (1722, 16268), (1743, 16072), (1992, 14063), (2009, 13944), (2058, 13612), (2296, 12201), (2324, 12054), (2744, 10209), (3403, 8232), (3444, 8134), (3486, 8036), (4018, 6972), (4067, 6888), (4116, 6806), (4648, 6027)]