64821185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{90659}}^1$

素因数の和:90688

約数の個数: 16

約数和(自身を含む): 91385280

約数和(自身を除く): 26564095

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 90659, 453295, 997249, 1178567, 4986245, 5892835, 12964237, 64821185]

約数ペア:

[(1, 64821185), (5, 12964237), (11, 5892835), (13, 4986245), (55, 1178567), (65, 997249), (143, 453295), (715, 90659)]