2590973

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 36

約数和(自身を含む): 3638880

約数和(自身を除く): 1047907

約数列:

[1, 7, 11, 19, 23, 49, 77, 121, 133, 161, 209, 253, 437, 539, 847, 931, 1127, 1463, 1771, 2299, 2783, 3059, 4807, 5929, 10241, 12397, 16093, 19481, 21413, 33649, 52877, 112651, 136367, 235543, 370139, 2590973]

約数ペア:

[(1, 2590973), (7, 370139), (11, 235543), (19, 136367), (23, 112651), (49, 52877), (77, 33649), (121, 21413), (133, 19481), (161, 16093), (209, 12397), (253, 10241), (437, 5929), (539, 4807), (847, 3059), (931, 2783), (1127, 2299), (1463, 1771)]