81911474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 134291520

約数和(自身を除く): 52380046

約数列:

[1, 2, 17, 34, 43, 86, 179, 313, 358, 626, 731, 1462, 3043, 5321, 6086, 7697, 10642, 13459, 15394, 26918, 56027, 112054, 130849, 228803, 261698, 457606, 952459, 1904918, 2409161, 4818322, 40955737, 81911474]

約数ペア:

[(1, 81911474), (2, 40955737), (17, 4818322), (34, 2409161), (43, 1904918), (86, 952459), (179, 457606), (313, 261698), (358, 228803), (626, 130849), (731, 112054), (1462, 56027), (3043, 26918), (5321, 15394), (6086, 13459), (7697, 10642)]