77884578

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{20903}}^1$

素因数の和:20940

約数の個数: 40

約数和(自身を含む): 182115648

約数和(自身を除く): 104231070

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 20903, 41806, 62709, 125418, 188127, 376254, 480769, 564381, 961538, 1128762, 1442307, 1693143, 2884614, 3386286, 4326921, 8653842, 12980763, 25961526, 38942289, 77884578]

約数ペア:

[(1, 77884578), (2, 38942289), (3, 25961526), (6, 12980763), (9, 8653842), (18, 4326921), (23, 3386286), (27, 2884614), (46, 1693143), (54, 1442307), (69, 1128762), (81, 961538), (138, 564381), (162, 480769), (207, 376254), (414, 188127), (621, 125418), (1242, 62709), (1863, 41806), (3726, 20903)]