839925290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1\times {\mathrm{3833}}^1$

素因数の和:5146

約数の個数: 32

約数和(自身を含む): 1602458640

約数和(自身を除く): 762533350

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1289, 2578, 3833, 6445, 7666, 12890, 19165, 21913, 38330, 43826, 65161, 109565, 130322, 219130, 325805, 651610, 4940737, 9881474, 24703685, 49407370, 83992529, 167985058, 419962645, 839925290]

約数ペア:

[(1, 839925290), (2, 419962645), (5, 167985058), (10, 83992529), (17, 49407370), (34, 24703685), (85, 9881474), (170, 4940737), (1289, 651610), (2578, 325805), (3833, 219130), (6445, 130322), (7666, 109565), (12890, 65161), (19165, 43826), (21913, 38330)]