209765738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{60661}}^1$

素因数の和:60702

約数の個数: 32

約数和(自身を含む): 407648640

約数和(自身を除く): 197882902

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 60661, 121322, 424627, 788593, 849254, 1152559, 1577186, 2305118, 5520151, 8067913, 11040302, 14983267, 16135826, 29966534, 104882869, 209765738]

約数ペア:

[(1, 209765738), (2, 104882869), (7, 29966534), (13, 16135826), (14, 14983267), (19, 11040302), (26, 8067913), (38, 5520151), (91, 2305118), (133, 1577186), (182, 1152559), (247, 849254), (266, 788593), (494, 424627), (1729, 121322), (3458, 60661)]