278385016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3011}}^1$

素因数の和:3164

約数の個数: 64

約数和(自身を含む): 647700480

約数和(自身を除く): 369315464

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 127, 182, 254, 364, 508, 728, 889, 1016, 1651, 1778, 3011, 3302, 3556, 6022, 6604, 7112, 11557, 12044, 13208, 21077, 23114, 24088, 39143, 42154, 46228, 78286, 84308, 92456, 156572, 168616, 274001, 313144, 382397, 548002, 764794, 1096004, 1529588, 2192008, 2676779, 3059176, 4971161, 5353558, 9942322, 10707116, 19884644, 21414232, 34798127, 39769288, 69596254, 139192508, 278385016]

約数ペア:

[(1, 278385016), (2, 139192508), (4, 69596254), (7, 39769288), (8, 34798127), (13, 21414232), (14, 19884644), (26, 10707116), (28, 9942322), (52, 5353558), (56, 4971161), (91, 3059176), (104, 2676779), (127, 2192008), (182, 1529588), (254, 1096004), (364, 764794), (508, 548002), (728, 382397), (889, 313144), (1016, 274001), (1651, 168616), (1778, 156572), (3011, 92456), (3302, 84308), (3556, 78286), (6022, 46228), (6604, 42154), (7112, 39143), (11557, 24088), (12044, 23114), (13208, 21077)]