1280144626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{391961}}^1$

素因数の和:392057

約数の個数: 16

約数和(自身を含む): 2031931008

約数和(自身を除く): 751786382

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 391961, 783922, 9015103, 18030206, 27829231, 55658462, 640072313, 1280144626]

約数ペア:

[(1, 1280144626), (2, 640072313), (23, 55658462), (46, 27829231), (71, 18030206), (142, 9015103), (1633, 783922), (3266, 391961)]