64695865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 86929920

約数和(自身を除く): 22234055

約数列:

[1, 5, 13, 43, 65, 79, 215, 293, 395, 559, 1027, 1465, 2795, 3397, 3809, 5135, 12599, 16985, 19045, 23147, 44161, 62995, 115735, 163787, 220805, 300911, 818935, 995321, 1504555, 4976605, 12939173, 64695865]

約数ペア:

[(1, 64695865), (5, 12939173), (13, 4976605), (43, 1504555), (65, 995321), (79, 818935), (215, 300911), (293, 220805), (395, 163787), (559, 115735), (1027, 62995), (1465, 44161), (2795, 23147), (3397, 19045), (3809, 16985), (5135, 12599)]