15951728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 33935328

約数和(自身を除く): 17983600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 1447, 2756, 2894, 5512, 5788, 11024, 11576, 18811, 23152, 37622, 75244, 76691, 150488, 153382, 300976, 306764, 613528, 996983, 1227056, 1993966, 3987932, 7975864, 15951728]

約数ペア:

[(1, 15951728), (2, 7975864), (4, 3987932), (8, 1993966), (13, 1227056), (16, 996983), (26, 613528), (52, 306764), (53, 300976), (104, 153382), (106, 150488), (208, 76691), (212, 75244), (424, 37622), (689, 23152), (848, 18811), (1378, 11576), (1447, 11024), (2756, 5788), (2894, 5512)]