12813955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 19450368

約数和(自身を除く): 6636413

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 385, 401, 415, 581, 913, 2005, 2807, 2905, 4411, 4565, 6391, 14035, 22055, 30877, 31955, 33283, 154385, 166415, 232981, 366113, 1164905, 1830565, 2562791, 12813955]

約数ペア:

[(1, 12813955), (5, 2562791), (7, 1830565), (11, 1164905), (35, 366113), (55, 232981), (77, 166415), (83, 154385), (385, 33283), (401, 31955), (415, 30877), (581, 22055), (913, 14035), (2005, 6391), (2807, 4565), (2905, 4411)]