989330494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{3931}}^1$

素因数の和:4168

約数の個数: 32

約数和(自身を含む): 1613692800

約数和(自身を除く): 624362306

約数列:

[1, 2, 19, 37, 38, 74, 179, 358, 703, 1406, 3401, 3931, 6623, 6802, 7862, 13246, 74689, 125837, 145447, 149378, 251674, 290894, 703649, 1407298, 2763493, 5526986, 13369331, 26035013, 26738662, 52070026, 494665247, 989330494]

約数ペア:

[(1, 989330494), (2, 494665247), (19, 52070026), (37, 26738662), (38, 26035013), (74, 13369331), (179, 5526986), (358, 2763493), (703, 1407298), (1406, 703649), (3401, 290894), (3931, 251674), (6623, 149378), (6802, 145447), (7862, 125837), (13246, 74689)]