640730073982

素因数分解:

$2^1\times {\mathrm{409}}^1\times {\mathrm{859}}^1\times {\mathrm{911861}}^1$

素因数の和:913131

約数の個数: 16

約数和(自身を含む): 964567623600

約数和(自身を除く): 323837549618

約数列:

[1, 2, 409, 818, 859, 1718, 351331, 702662, 911861, 1823722, 372951149, 745902298, 783288599, 1566577198, 320365036991, 640730073982]

約数ペア:

[(1, 640730073982), (2, 320365036991), (409, 1566577198), (818, 783288599), (859, 745902298), (1718, 372951149), (351331, 1823722), (702662, 911861)]