388168144

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{266599}}^1$

素因数の和:266627

約数の個数: 40

約数和(自身を含む): 925635200

約数和(自身を除く): 537467056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 266599, 533198, 1066396, 1866193, 2132792, 3465787, 3732386, 4265584, 6931574, 7464772, 13863148, 14929544, 24260509, 27726296, 29859088, 48521018, 55452592, 97042036, 194084072, 388168144]

約数ペア:

[(1, 388168144), (2, 194084072), (4, 97042036), (7, 55452592), (8, 48521018), (13, 29859088), (14, 27726296), (16, 24260509), (26, 14929544), (28, 13863148), (52, 7464772), (56, 6931574), (91, 4265584), (104, 3732386), (112, 3465787), (182, 2132792), (208, 1866193), (364, 1066396), (728, 533198), (1456, 266599)]