81125434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 135273600

約数和(自身を除く): 54148166

約数列:

[1, 2, 13, 26, 43, 86, 149, 298, 487, 559, 974, 1118, 1937, 3874, 6331, 6407, 12662, 12814, 20941, 41882, 72563, 83291, 145126, 166582, 272233, 544466, 943319, 1886638, 3120209, 6240418, 40562717, 81125434]

約数ペア:

[(1, 81125434), (2, 40562717), (13, 6240418), (26, 3120209), (43, 1886638), (86, 943319), (149, 544466), (298, 272233), (487, 166582), (559, 145126), (974, 83291), (1118, 72563), (1937, 41882), (3874, 20941), (6331, 12814), (6407, 12662)]