64785721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 88494336

約数和(自身を除く): 23708615

約数列:

[1, 7, 11, 13, 61, 77, 91, 143, 427, 671, 793, 1001, 1061, 4697, 5551, 7427, 8723, 11671, 13793, 61061, 64721, 81697, 96551, 151723, 453047, 711931, 841373, 1062061, 4983517, 5889611, 9255103, 64785721]

約数ペア:

[(1, 64785721), (7, 9255103), (11, 5889611), (13, 4983517), (61, 1062061), (77, 841373), (91, 711931), (143, 453047), (427, 151723), (671, 96551), (793, 81697), (1001, 64721), (1061, 61061), (4697, 13793), (5551, 11671), (7427, 8723)]