2788402870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25349117}}^1$

素因数の和:25349135

約数の個数: 16

約数和(自身を含む): 5475409488

約数和(自身を除く): 2687006618

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 25349117, 50698234, 126745585, 253491170, 278840287, 557680574, 1394201435, 2788402870]

約数ペア:

[(1, 2788402870), (2, 1394201435), (5, 557680574), (10, 278840287), (11, 253491170), (22, 126745585), (55, 50698234), (110, 25349117)]