1818995718

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 3801600000

約数和(自身を除く): 1982604282

約数列:

[1, 2, 3, 6, 43, 71, 86, 129, 142, 199, 213, 258, 398, 426, 499, 597, 998, 1194, 1497, 2994, 3053, 6106, 8557, 9159, 14129, 17114, 18318, 21457, 25671, 28258, 35429, 42387, 42914, 51342, 64371, 70858, 84774, 99301, 106287, 128742, 198602, 212574, 297903, 595806, 607547, 1215094, 1523447, 1822641, 3046894, 3645282, 4269943, 4570341, 7050371, 8539886, 9140682, 12809829, 14100742, 21151113, 25619658, 42302226, 303165953, 606331906, 909497859, 1818995718]

約数ペア:

[(1, 1818995718), (2, 909497859), (3, 606331906), (6, 303165953), (43, 42302226), (71, 25619658), (86, 21151113), (129, 14100742), (142, 12809829), (199, 9140682), (213, 8539886), (258, 7050371), (398, 4570341), (426, 4269943), (499, 3645282), (597, 3046894), (998, 1822641), (1194, 1523447), (1497, 1215094), (2994, 607547), (3053, 595806), (6106, 297903), (8557, 212574), (9159, 198602), (14129, 128742), (17114, 106287), (18318, 99301), (21457, 84774), (25671, 70858), (28258, 64371), (35429, 51342), (42387, 42914)]