28131286

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:916

約数の個数: 24

約数和(自身を含む): 45537120

約数和(自身を除く): 17405834

約数列:

[1, 2, 19, 38, 47, 94, 361, 722, 829, 893, 1658, 1786, 15751, 16967, 31502, 33934, 38963, 77926, 299269, 598538, 740297, 1480594, 14065643, 28131286]

約数ペア:

[(1, 28131286), (2, 14065643), (19, 1480594), (38, 740297), (47, 598538), (94, 299269), (361, 77926), (722, 38963), (829, 33934), (893, 31502), (1658, 16967), (1786, 15751)]