64678641

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2917}}^1$

素因数の和:3328

約数の個数: 16

約数和(自身を含む): 91041600

約数和(自身を除く): 26362959

約数列:

[1, 3, 19, 57, 389, 1167, 2917, 7391, 8751, 22173, 55423, 166269, 1134713, 3404139, 21559547, 64678641]

約数ペア:

[(1, 64678641), (3, 21559547), (19, 3404139), (57, 1134713), (389, 166269), (1167, 55423), (2917, 22173), (7391, 8751)]