28686352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 58924800

約数和(自身を除く): 30238448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 197, 304, 394, 479, 788, 958, 1576, 1916, 3152, 3743, 3832, 7486, 7664, 9101, 14972, 18202, 29944, 36404, 59888, 72808, 94363, 145616, 188726, 377452, 754904, 1509808, 1792897, 3585794, 7171588, 14343176, 28686352]

約数ペア:

[(1, 28686352), (2, 14343176), (4, 7171588), (8, 3585794), (16, 1792897), (19, 1509808), (38, 754904), (76, 377452), (152, 188726), (197, 145616), (304, 94363), (394, 72808), (479, 59888), (788, 36404), (958, 29944), (1576, 18202), (1916, 14972), (3152, 9101), (3743, 7664), (3832, 7486)]