68987576

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17351}}^1$

素因数の和:17435

約数の個数: 32

約数和(自身を含む): 149921280

約数和(自身を除く): 80933704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 17351, 34702, 69404, 121457, 138808, 242914, 485828, 971656, 1231921, 2463842, 4927684, 8623447, 9855368, 17246894, 34493788, 68987576]

約数ペア:

[(1, 68987576), (2, 34493788), (4, 17246894), (7, 9855368), (8, 8623447), (14, 4927684), (28, 2463842), (56, 1231921), (71, 971656), (142, 485828), (284, 242914), (497, 138808), (568, 121457), (994, 69404), (1988, 34702), (3976, 17351)]