210780913

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{1129}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 244080000

約数和(自身を除く): 33299087

約数列:

[1, 7, 149, 179, 1043, 1129, 1253, 7903, 26671, 168221, 186697, 202091, 1177547, 1414637, 30111559, 210780913]

約数ペア:

[(1, 210780913), (7, 30111559), (149, 1414637), (179, 1177547), (1043, 202091), (1129, 186697), (1253, 168221), (7903, 26671)]