389940485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{73091}}^1$

素因数の和:73204

約数の個数: 16

約数和(自身を含む): 515737152

約数和(自身を除く): 125796667

約数列:

[1, 5, 11, 55, 97, 485, 1067, 5335, 73091, 365455, 804001, 4020005, 7089827, 35449135, 77988097, 389940485]

約数ペア:

[(1, 389940485), (5, 77988097), (11, 35449135), (55, 7089827), (97, 4020005), (485, 804001), (1067, 365455), (5335, 73091)]