68731408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3559}}^1$

素因数の和:3655

約数の個数: 40

約数和(自身を含む): 143026560

約数和(自身を除く): 74295152

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 3559, 4828, 7118, 9656, 14236, 19312, 28472, 56944, 60503, 121006, 242012, 252689, 484024, 505378, 968048, 1010756, 2021512, 4043024, 4295713, 8591426, 17182852, 34365704, 68731408]

約数ペア:

[(1, 68731408), (2, 34365704), (4, 17182852), (8, 8591426), (16, 4295713), (17, 4043024), (34, 2021512), (68, 1010756), (71, 968048), (136, 505378), (142, 484024), (272, 252689), (284, 242012), (568, 121006), (1136, 60503), (1207, 56944), (2414, 28472), (3559, 19312), (4828, 14236), (7118, 9656)]