660352511

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 830863488

約数和(自身を除く): 170510977

約数列:

[1, 7, 13, 61, 91, 337, 353, 427, 793, 2359, 2471, 4381, 4589, 5551, 20557, 21533, 30667, 32123, 118961, 143899, 150731, 267241, 279929, 832727, 1546493, 1870687, 1959503, 7256621, 10825451, 50796347, 94336073, 660352511]

約数ペア:

[(1, 660352511), (7, 94336073), (13, 50796347), (61, 10825451), (91, 7256621), (337, 1959503), (353, 1870687), (427, 1546493), (793, 832727), (2359, 279929), (2471, 267241), (4381, 150731), (4589, 143899), (5551, 118961), (20557, 32123), (21533, 30667)]