64981256

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 130844160

約数和(自身を除く): 65862904

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 191, 344, 382, 764, 989, 1528, 1849, 1978, 3698, 3956, 4393, 7396, 7912, 8213, 8786, 14792, 16426, 17572, 32852, 35144, 42527, 65704, 85054, 170108, 188899, 340216, 353159, 377798, 706318, 755596, 1412636, 1511192, 2825272, 8122657, 16245314, 32490628, 64981256]

約数ペア:

[(1, 64981256), (2, 32490628), (4, 16245314), (8, 8122657), (23, 2825272), (43, 1511192), (46, 1412636), (86, 755596), (92, 706318), (172, 377798), (184, 353159), (191, 340216), (344, 188899), (382, 170108), (764, 85054), (989, 65704), (1528, 42527), (1849, 35144), (1978, 32852), (3698, 17572), (3956, 16426), (4393, 14792), (7396, 8786), (7912, 8213)]