289244984

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139597}}^1$

素因数の和:139647

約数の個数: 32

約数和(自身を含む): 636566880

約数和(自身を除く): 347321896

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 139597, 279194, 558388, 977179, 1116776, 1954358, 3908716, 5165089, 7817432, 10330178, 20660356, 36155623, 41320712, 72311246, 144622492, 289244984]

約数ペア:

[(1, 289244984), (2, 144622492), (4, 72311246), (7, 41320712), (8, 36155623), (14, 20660356), (28, 10330178), (37, 7817432), (56, 5165089), (74, 3908716), (148, 1954358), (259, 1116776), (296, 977179), (518, 558388), (1036, 279194), (2072, 139597)]