209921156

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{839}}^1\times {\mathrm{881}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 373403520

約数和(自身を除く): 163482364

約数列:

[1, 2, 4, 71, 142, 284, 839, 881, 1678, 1762, 3356, 3524, 59569, 62551, 119138, 125102, 238276, 250204, 739159, 1478318, 2956636, 52480289, 104960578, 209921156]

約数ペア:

[(1, 209921156), (2, 104960578), (4, 52480289), (71, 2956636), (142, 1478318), (284, 739159), (839, 250204), (881, 238276), (1678, 125102), (1762, 119138), (3356, 62551), (3524, 59569)]