25920223

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3251}}^1$

素因数の和:3342

約数の個数: 16

約数和(自身を含む): 31843584

約数和(自身を除く): 5923361

約数列:

[1, 7, 17, 67, 119, 469, 1139, 3251, 7973, 22757, 55267, 217817, 386869, 1524719, 3702889, 25920223]

約数ペア:

[(1, 25920223), (7, 3702889), (17, 1524719), (67, 386869), (119, 217817), (469, 55267), (1139, 22757), (3251, 7973)]