991788528143

素因数分解:

$7^2\times {\mathrm{727}}^1\times {\mathrm{2971}}^1\times {\mathrm{9371}}^1$

素因数の和:13083

約数の個数: 24

約数和(自身を含む): 1155812321664

約数和(自身を除く): 164023793521

約数列:

[1, 7, 49, 727, 2971, 5089, 9371, 20797, 35623, 65597, 145579, 459179, 2159917, 6812717, 15119419, 27841241, 47689019, 105835933, 194888687, 333823133, 1364220809, 20240582207, 141684075449, 991788528143]

約数ペア:

[(1, 991788528143), (7, 141684075449), (49, 20240582207), (727, 1364220809), (2971, 333823133), (5089, 194888687), (9371, 105835933), (20797, 47689019), (35623, 27841241), (65597, 15119419), (145579, 6812717), (459179, 2159917)]