311946890

素因数分解:

$2^1\times 5^1\times {\mathrm{3209}}^1\times {\mathrm{9721}}^1$

素因数の和:12937

約数の個数: 16

約数和(自身を含む): 561737160

約数和(自身を除く): 249790270

約数列:

[1, 2, 5, 10, 3209, 6418, 9721, 16045, 19442, 32090, 48605, 97210, 31194689, 62389378, 155973445, 311946890]

約数ペア:

[(1, 311946890), (2, 155973445), (5, 62389378), (10, 31194689), (3209, 97210), (6418, 48605), (9721, 32090), (16045, 19442)]