81690686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{929}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 153204480

約数和(自身を除く): 71513794

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 571, 929, 1142, 1858, 3997, 6281, 6503, 7994, 10219, 12562, 13006, 20438, 43967, 71533, 87934, 143066, 530459, 1060918, 3713213, 5835049, 7426426, 11670098, 40845343, 81690686]

約数ペア:

[(1, 81690686), (2, 40845343), (7, 11670098), (11, 7426426), (14, 5835049), (22, 3713213), (77, 1060918), (154, 530459), (571, 143066), (929, 87934), (1142, 71533), (1858, 43967), (3997, 20438), (6281, 13006), (6503, 12562), (7994, 10219)]