66709853

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 84268800

約数和(自身を除く): 17558947

約数列:

[1, 7, 17, 37, 109, 119, 139, 259, 629, 763, 973, 1853, 2363, 4033, 4403, 5143, 12971, 15151, 16541, 28231, 36001, 68561, 87431, 106057, 257567, 479927, 560587, 612017, 1802969, 3924109, 9529979, 66709853]

約数ペア:

[(1, 66709853), (7, 9529979), (17, 3924109), (37, 1802969), (109, 612017), (119, 560587), (139, 479927), (259, 257567), (629, 106057), (763, 87431), (973, 68561), (1853, 36001), (2363, 28231), (4033, 16541), (4403, 15151), (5143, 12971)]