208912319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{4871}}^1$

素因数の和:5446

約数の個数: 16

約数和(自身を含む): 260983296

約数和(自身を除く): 52070977

約数列:

[1, 7, 11, 77, 557, 3899, 4871, 6127, 34097, 42889, 53581, 375067, 2713147, 18992029, 29844617, 208912319]

約数ペア:

[(1, 208912319), (7, 29844617), (11, 18992029), (77, 2713147), (557, 375067), (3899, 53581), (4871, 42889), (6127, 34097)]