639771608

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{672029}}^1$

素因数の和:672059

約数の個数: 32

約数和(自身を含む): 1451584800

約数和(自身を除く): 811813192

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 672029, 1344058, 2688116, 4704203, 5376232, 9408406, 11424493, 18816812, 22848986, 37633624, 45697972, 79971451, 91395944, 159942902, 319885804, 639771608]

約数ペア:

[(1, 639771608), (2, 319885804), (4, 159942902), (7, 91395944), (8, 79971451), (14, 45697972), (17, 37633624), (28, 22848986), (34, 18816812), (56, 11424493), (68, 9408406), (119, 5376232), (136, 4704203), (238, 2688116), (476, 1344058), (952, 672029)]