2781548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 36

約数和(自身を含む): 6122256

約数和(自身を除く): 3340708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 821, 847, 1642, 1694, 3284, 3388, 5747, 9031, 11494, 18062, 22988, 36124, 63217, 99341, 126434, 198682, 252868, 397364, 695387, 1390774, 2781548]

約数ペア:

[(1, 2781548), (2, 1390774), (4, 695387), (7, 397364), (11, 252868), (14, 198682), (22, 126434), (28, 99341), (44, 63217), (77, 36124), (121, 22988), (154, 18062), (242, 11494), (308, 9031), (484, 5747), (821, 3388), (847, 3284), (1642, 1694)]