28408224

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 86329152

約数和(自身を除く): 57920928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 103, 104, 136, 156, 169, 204, 206, 208, 221, 272, 309, 312, 338, 408, 412, 416, 442, 507, 544, 618, 624, 663, 676, 816, 824, 884, 1014, 1236, 1248, 1326, 1339, 1352, 1632, 1648, 1751, 1768, 2028, 2472, 2652, 2678, 2704, 2873, 3296, 3502, 3536, 4017, 4056, 4944, 5253, 5304, 5356, 5408, 5746, 7004, 7072, 8034, 8112, 8619, 9888, 10506, 10608, 10712, 11492, 14008, 16068, 16224, 17238, 17407, 21012, 21216, 21424, 22763, 22984, 28016, 32136, 34476, 34814, 42024, 42848, 45526, 45968, 52221, 56032, 64272, 68289, 68952, 69628, 84048, 91052, 91936, 104442, 128544, 136578, 137904, 139256, 168096, 182104, 208884, 273156, 275808, 278512, 295919, 364208, 417768, 546312, 557024, 591838, 728416, 835536, 887757, 1092624, 1183676, 1671072, 1775514, 2185248, 2367352, 3551028, 4734704, 7102056, 9469408, 14204112, 28408224]

約数ペア:

[(1, 28408224), (2, 14204112), (3, 9469408), (4, 7102056), (6, 4734704), (8, 3551028), (12, 2367352), (13, 2185248), (16, 1775514), (17, 1671072), (24, 1183676), (26, 1092624), (32, 887757), (34, 835536), (39, 728416), (48, 591838), (51, 557024), (52, 546312), (68, 417768), (78, 364208), (96, 295919), (102, 278512), (103, 275808), (104, 273156), (136, 208884), (156, 182104), (169, 168096), (204, 139256), (206, 137904), (208, 136578), (221, 128544), (272, 104442), (309, 91936), (312, 91052), (338, 84048), (408, 69628), (412, 68952), (416, 68289), (442, 64272), (507, 56032), (544, 52221), (618, 45968), (624, 45526), (663, 42848), (676, 42024), (816, 34814), (824, 34476), (884, 32136), (1014, 28016), (1236, 22984), (1248, 22763), (1326, 21424), (1339, 21216), (1352, 21012), (1632, 17407), (1648, 17238), (1751, 16224), (1768, 16068), (2028, 14008), (2472, 11492), (2652, 10712), (2678, 10608), (2704, 10506), (2873, 9888), (3296, 8619), (3502, 8112), (3536, 8034), (4017, 7072), (4056, 7004), (4944, 5746), (5253, 5408), (5304, 5356)]