1288893728

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{23819}}^1$

素因数の和:23937

約数の個数: 48

約数和(自身を含む): 2701188000

約数和(自身を除く): 1412294272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 89, 152, 178, 304, 356, 608, 712, 1424, 1691, 2848, 3382, 6764, 13528, 23819, 27056, 47638, 54112, 95276, 190552, 381104, 452561, 762208, 905122, 1810244, 2119891, 3620488, 4239782, 7240976, 8479564, 14481952, 16959128, 33918256, 40277929, 67836512, 80555858, 161111716, 322223432, 644446864, 1288893728]

約数ペア:

[(1, 1288893728), (2, 644446864), (4, 322223432), (8, 161111716), (16, 80555858), (19, 67836512), (32, 40277929), (38, 33918256), (76, 16959128), (89, 14481952), (152, 8479564), (178, 7240976), (304, 4239782), (356, 3620488), (608, 2119891), (712, 1810244), (1424, 905122), (1691, 762208), (2848, 452561), (3382, 381104), (6764, 190552), (13528, 95276), (23819, 54112), (27056, 47638)]