64309205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{4153}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 81750720

約数和(自身を除く): 17441515

約数列:

[1, 5, 19, 95, 163, 815, 3097, 4153, 15485, 20765, 78907, 394535, 676939, 3384695, 12861841, 64309205]

約数ペア:

[(1, 64309205), (5, 12861841), (19, 3384695), (95, 676939), (163, 394535), (815, 78907), (3097, 20765), (4153, 15485)]