64506455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 84791952

約数和(自身を除く): 20285497

約数列:

[1, 5, 13, 65, 97, 169, 485, 787, 845, 1261, 3935, 6305, 10231, 16393, 51155, 76339, 81965, 133003, 381695, 665015, 992407, 4962035, 12901291, 64506455]

約数ペア:

[(1, 64506455), (5, 12901291), (13, 4962035), (65, 992407), (97, 665015), (169, 381695), (485, 133003), (787, 81965), (845, 76339), (1261, 51155), (3935, 16393), (6305, 10231)]