28005278

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 50995200

約数和(自身を除く): 22989922

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 829, 889, 1658, 1778, 2413, 4826, 5803, 11606, 15751, 16891, 31502, 33782, 105283, 110257, 210566, 220514, 736981, 1473962, 2000377, 4000754, 14002639, 28005278]

約数ペア:

[(1, 28005278), (2, 14002639), (7, 4000754), (14, 2000377), (19, 1473962), (38, 736981), (127, 220514), (133, 210566), (254, 110257), (266, 105283), (829, 33782), (889, 31502), (1658, 16891), (1778, 15751), (2413, 11606), (4826, 5803)]