12691945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 18724608

約数和(自身を除く): 6032663

約数列:

[1, 5, 7, 17, 35, 83, 85, 119, 257, 415, 581, 595, 1285, 1411, 1799, 2905, 4369, 7055, 8995, 9877, 21331, 21845, 30583, 49385, 106655, 149317, 152915, 362627, 746585, 1813135, 2538389, 12691945]

約数ペア:

[(1, 12691945), (5, 2538389), (7, 1813135), (17, 746585), (35, 362627), (83, 152915), (85, 149317), (119, 106655), (257, 49385), (415, 30583), (581, 21845), (595, 21331), (1285, 9877), (1411, 8995), (1799, 7055), (2905, 4369)]