218998136

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{126151}}^1$

素因数の和:126195

約数の個数: 32

約数和(自身を含む): 484423680

約数和(自身を除く): 265425544

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 126151, 252302, 504604, 883057, 1009208, 1766114, 3532228, 3910681, 7064456, 7821362, 15642724, 27374767, 31285448, 54749534, 109499068, 218998136]

約数ペア:

[(1, 218998136), (2, 109499068), (4, 54749534), (7, 31285448), (8, 27374767), (14, 15642724), (28, 7821362), (31, 7064456), (56, 3910681), (62, 3532228), (124, 1766114), (217, 1009208), (248, 883057), (434, 504604), (868, 252302), (1736, 126151)]