291244278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{5807}}^1$

素因数の和:6468

約数の個数: 32

約数和(自身を含む): 628379136

約数和(自身を除く): 337134858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 643, 1286, 1929, 3858, 5807, 8359, 11614, 16718, 17421, 25077, 34842, 50154, 75491, 150982, 226473, 452946, 3733901, 7467802, 11201703, 22403406, 48540713, 97081426, 145622139, 291244278]

約数ペア:

[(1, 291244278), (2, 145622139), (3, 97081426), (6, 48540713), (13, 22403406), (26, 11201703), (39, 7467802), (78, 3733901), (643, 452946), (1286, 226473), (1929, 150982), (3858, 75491), (5807, 50154), (8359, 34842), (11614, 25077), (16718, 17421)]