205698896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{988937}}^1$

素因数の和:988958

約数の個数: 20

約数和(自身を含む): 429199092

約数和(自身を除く): 223500196

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 988937, 1977874, 3955748, 7911496, 12856181, 15822992, 25712362, 51424724, 102849448, 205698896]

約数ペア:

[(1, 205698896), (2, 102849448), (4, 51424724), (8, 25712362), (13, 15822992), (16, 12856181), (26, 7911496), (52, 3955748), (104, 1977874), (208, 988937)]