287081284

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193451}}^1$

素因数の和:193515

約数の個数: 24

約数和(自身を含む): 584998848

約数和(自身を除く): 297917564

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 193451, 386902, 773804, 1354157, 2708314, 5416628, 10252903, 20505806, 41011612, 71770321, 143540642, 287081284]

約数ペア:

[(1, 287081284), (2, 143540642), (4, 71770321), (7, 41011612), (14, 20505806), (28, 10252903), (53, 5416628), (106, 2708314), (212, 1354157), (371, 773804), (742, 386902), (1484, 193451)]