217699216

素因数分解:

$2^4\times 7^1\times {\mathrm{1943743}}^1$

素因数の和:1943758

約数の個数: 20

約数和(自身を含む): 482048512

約数和(自身を除く): 264349296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1943743, 3887486, 7774972, 13606201, 15549944, 27212402, 31099888, 54424804, 108849608, 217699216]

約数ペア:

[(1, 217699216), (2, 108849608), (4, 54424804), (7, 31099888), (8, 27212402), (14, 15549944), (16, 13606201), (28, 7774972), (56, 3887486), (112, 1943743)]