2066159921

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{6359}}^1$

素因数の和:6741

約数の個数: 24

約数和(自身を含む): 2537640000

約数和(自身を除く): 471480079

約数列:

[1, 7, 19, 49, 133, 349, 931, 2443, 6359, 6631, 17101, 44513, 46417, 120821, 311591, 324919, 845747, 2219291, 5920229, 15535037, 42166529, 108745259, 295165703, 2066159921]

約数ペア:

[(1, 2066159921), (7, 295165703), (19, 108745259), (49, 42166529), (133, 15535037), (349, 5920229), (931, 2219291), (2443, 845747), (6359, 324919), (6631, 311591), (17101, 120821), (44513, 46417)]