72039856

素因数分解:

$2^4\times 7^1\times {\mathrm{643213}}^1$

素因数の和:643228

約数の個数: 20

約数和(自身を含む): 159517072

約数和(自身を除く): 87477216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643213, 1286426, 2572852, 4502491, 5145704, 9004982, 10291408, 18009964, 36019928, 72039856]

約数ペア:

[(1, 72039856), (2, 36019928), (4, 18009964), (7, 10291408), (8, 9004982), (14, 5145704), (16, 4502491), (28, 2572852), (56, 1286426), (112, 643213)]