1906289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 2503680

約数和(自身を除く): 597391

約数列:

[1, 7, 11, 19, 77, 133, 209, 1303, 1463, 9121, 14333, 24757, 100331, 173299, 272327, 1906289]

約数ペア:

[(1, 1906289), (7, 272327), (11, 173299), (19, 100331), (77, 24757), (133, 14333), (209, 9121), (1303, 1463)]