256217868

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{151429}}^1$

素因数の和:151486

約数の個数: 36

約数和(自身を含む): 661446240

約数和(自身を除く): 405228372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 151429, 302858, 454287, 605716, 908574, 1362861, 1817148, 2725722, 5451444, 7117163, 14234326, 21351489, 28468652, 42702978, 64054467, 85405956, 128108934, 256217868]

約数ペア:

[(1, 256217868), (2, 128108934), (3, 85405956), (4, 64054467), (6, 42702978), (9, 28468652), (12, 21351489), (18, 14234326), (36, 7117163), (47, 5451444), (94, 2725722), (141, 1817148), (188, 1362861), (282, 908574), (423, 605716), (564, 454287), (846, 302858), (1692, 151429)]