720890378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2903}}^1\times {\mathrm{9551}}^1$

素因数の和:12469

約数の個数: 16

約数和(自身を含む): 1165038336

約数和(自身を除く): 444147958

約数列:

[1, 2, 13, 26, 2903, 5806, 9551, 19102, 37739, 75478, 124163, 248326, 27726553, 55453106, 360445189, 720890378]

約数ペア:

[(1, 720890378), (2, 360445189), (13, 55453106), (26, 27726553), (2903, 248326), (5806, 124163), (9551, 75478), (19102, 37739)]