2011972081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{76667}}^1$

素因数の和:76860

約数の個数: 16

約数和(自身を含む): 2414121984

約数和(自身を除く): 402149903

約数列:

[1, 7, 23, 161, 163, 1141, 3749, 26243, 76667, 536669, 1763341, 12343387, 12496721, 87477047, 287424583, 2011972081]

約数ペア:

[(1, 2011972081), (7, 287424583), (23, 87477047), (161, 12496721), (163, 12343387), (1141, 1763341), (3749, 536669), (26243, 76667)]