64720964

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{2729}}^1$

素因数の和:2769

約数の個数: 54

約数和(自身を含む): 144872910

約数和(自身を除く): 80151946

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 2729, 3388, 5458, 5929, 10916, 11858, 19103, 23716, 30019, 38206, 60038, 76412, 120076, 133721, 210133, 267442, 330209, 420266, 534884, 660418, 840532, 1320836, 1470931, 2311463, 2941862, 4622926, 5883724, 9245852, 16180241, 32360482, 64720964]

約数ペア:

[(1, 64720964), (2, 32360482), (4, 16180241), (7, 9245852), (11, 5883724), (14, 4622926), (22, 2941862), (28, 2311463), (44, 1470931), (49, 1320836), (77, 840532), (98, 660418), (121, 534884), (154, 420266), (196, 330209), (242, 267442), (308, 210133), (484, 133721), (539, 120076), (847, 76412), (1078, 60038), (1694, 38206), (2156, 30019), (2729, 23716), (3388, 19103), (5458, 11858), (5929, 10916)]