2788439390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25349449}}^1$

素因数の和:25349467

約数の個数: 16

約数和(自身を含む): 5475481200

約数和(自身を除く): 2687041810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 25349449, 50698898, 126747245, 253494490, 278843939, 557687878, 1394219695, 2788439390]

約数ペア:

[(1, 2788439390), (2, 1394219695), (5, 557687878), (10, 278843939), (11, 253494490), (22, 126747245), (55, 50698898), (110, 25349449)]