28278758.000000000

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{68059}}^1$

素因数の和:68094

約数の個数: 80

約数和(自身を含む): 1215279360

約数和(自身を除く): 826526352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 5712, 68059, 136118, 204177, 272236, 408354, 476413, 544472, 816708, 952826, 1088944, 1157003, 1429239, 1633416, 1905652, 2314006, 2858478, 3266832, 3471009, 3811304, 4628012, 5716956, 6942018, 7622608, 8099021, 9256024, 11433912, 13884036, 16198042, 18512048, 22867824, 24297063, 27768072, 32396084, 48594126, 55536144, 64792168, 97188252, 129584336, 194376504, 388753008]

約数ペア:

[(1, 388753008), (2, 194376504), (3, 129584336), (4, 97188252), (6, 64792168), (7, 55536144), (8, 48594126), (12, 32396084), (14, 27768072), (16, 24297063), (17, 22867824), (21, 18512048), (24, 16198042), (28, 13884036), (34, 11433912), (42, 9256024), (48, 8099021), (51, 7622608), (56, 6942018), (68, 5716956), (84, 4628012), (102, 3811304), (112, 3471009), (119, 3266832), (136, 2858478), (168, 2314006), (204, 1905652), (238, 1633416), (272, 1429239), (336, 1157003), (357, 1088944), (408, 952826), (476, 816708), (714, 544472), (816, 476413), (952, 408354), (1428, 272236), (1904, 204177), (2856, 136118), (5712, 68059)]