668828728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{4400189}}^1$

素因数の和:4400214

約数の個数: 16

約数和(自身を含む): 1320057000

約数和(自身を除く): 651228272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 4400189, 8800378, 17600756, 35201512, 83603591, 167207182, 334414364, 668828728]

約数ペア:

[(1, 668828728), (2, 334414364), (4, 167207182), (8, 83603591), (19, 35201512), (38, 17600756), (76, 8800378), (152, 4400189)]