64986935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 89449920

約数和(自身を除く): 24462985

約数列:

[1, 5, 13, 19, 65, 95, 101, 247, 505, 521, 1235, 1313, 1919, 2605, 6565, 6773, 9595, 9899, 24947, 33865, 49495, 52621, 124735, 128687, 263105, 643435, 684073, 999799, 3420365, 4998995, 12997387, 64986935]

約数ペア:

[(1, 64986935), (5, 12997387), (13, 4998995), (19, 3420365), (65, 999799), (95, 684073), (101, 643435), (247, 263105), (505, 128687), (521, 124735), (1235, 52621), (1313, 49495), (1919, 33865), (2605, 24947), (6565, 9899), (6773, 9595)]