77845910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{673}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 144128160

約数和(自身を除く): 66282250

約数列:

[1, 2, 5, 10, 43, 86, 215, 269, 430, 538, 673, 1345, 1346, 2690, 3365, 6730, 11567, 23134, 28939, 57835, 57878, 115670, 144695, 181037, 289390, 362074, 905185, 1810370, 7784591, 15569182, 38922955, 77845910]

約数ペア:

[(1, 77845910), (2, 38922955), (5, 15569182), (10, 7784591), (43, 1810370), (86, 905185), (215, 362074), (269, 289390), (430, 181037), (538, 144695), (673, 115670), (1345, 57878), (1346, 57835), (2690, 28939), (3365, 23134), (6730, 11567)]