388807686

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{2179}}^1$

素因数の和:2641

約数の個数: 48

約数和(自身を含む): 881487360

約数和(自身を除く): 492679674

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 431, 862, 1293, 2179, 2586, 3879, 4358, 6537, 7758, 9913, 13074, 19611, 19826, 29739, 39222, 50117, 59478, 89217, 100234, 150351, 178434, 300702, 451053, 902106, 939149, 1878298, 2817447, 5634894, 8452341, 16904682, 21600427, 43200854, 64801281, 129602562, 194403843, 388807686]

約数ペア:

[(1, 388807686), (2, 194403843), (3, 129602562), (6, 64801281), (9, 43200854), (18, 21600427), (23, 16904682), (46, 8452341), (69, 5634894), (138, 2817447), (207, 1878298), (414, 939149), (431, 902106), (862, 451053), (1293, 300702), (2179, 178434), (2586, 150351), (3879, 100234), (4358, 89217), (6537, 59478), (7758, 50117), (9913, 39222), (13074, 29739), (19611, 19826)]