64794008545

素因数分解:

$5^1\times 7^3\times {\mathrm{2161}}^1\times {\mathrm{17483}}^1$

素因数の和:19670

約数の個数: 32

約数和(自身を含む): 90720979200

約数和(自身を除く): 25926970655

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2161, 10805, 15127, 17483, 75635, 87415, 105889, 122381, 529445, 611905, 741223, 856667, 3706115, 4283335, 5996669, 29983345, 37780763, 188903815, 264465341, 1322326705, 1851257387, 9256286935, 12958801709, 64794008545]

約数ペア:

[(1, 64794008545), (5, 12958801709), (7, 9256286935), (35, 1851257387), (49, 1322326705), (245, 264465341), (343, 188903815), (1715, 37780763), (2161, 29983345), (10805, 5996669), (15127, 4283335), (17483, 3706115), (75635, 856667), (87415, 741223), (105889, 611905), (122381, 529445)]