208688506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 343324800

約数和(自身を除く): 134636294

約数列:

[1, 2, 13, 26, 103, 149, 206, 298, 523, 1046, 1339, 1937, 2678, 3874, 6799, 13598, 15347, 30694, 53869, 77927, 107738, 155854, 199511, 399022, 700297, 1013051, 1400594, 2026102, 8026481, 16052962, 104344253, 208688506]

約数ペア:

[(1, 208688506), (2, 104344253), (13, 16052962), (26, 8026481), (103, 2026102), (149, 1400594), (206, 1013051), (298, 700297), (523, 399022), (1046, 199511), (1339, 155854), (1937, 107738), (2678, 77927), (3874, 53869), (6799, 30694), (13598, 15347)]