16238978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 30886272

約数和(自身を除く): 14647294

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 71, 119, 142, 217, 238, 434, 497, 527, 961, 994, 1054, 1207, 1922, 2201, 2414, 3689, 4402, 6727, 7378, 8449, 13454, 15407, 16337, 16898, 30814, 32674, 37417, 68231, 74834, 114359, 136462, 228718, 261919, 477617, 523838, 955234, 1159927, 2319854, 8119489, 16238978]

約数ペア:

[(1, 16238978), (2, 8119489), (7, 2319854), (14, 1159927), (17, 955234), (31, 523838), (34, 477617), (62, 261919), (71, 228718), (119, 136462), (142, 114359), (217, 74834), (238, 68231), (434, 37417), (497, 32674), (527, 30814), (961, 16898), (994, 16337), (1054, 15407), (1207, 13454), (1922, 8449), (2201, 7378), (2414, 6727), (3689, 4402)]