6981910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 13860000

約数和(自身を除く): 6878090

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 1249, 2498, 2795, 5590, 6245, 12490, 16237, 32474, 53707, 81185, 107414, 162370, 268535, 537070, 698191, 1396382, 3490955, 6981910]

約数ペア:

[(1, 6981910), (2, 3490955), (5, 1396382), (10, 698191), (13, 537070), (26, 268535), (43, 162370), (65, 107414), (86, 81185), (130, 53707), (215, 32474), (430, 16237), (559, 12490), (1118, 6245), (1249, 5590), (2498, 2795)]