129192679

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{72949}}^1$

素因数の和:72990

約数の個数: 16

約数和(自身を含む): 168076800

約数和(自身を除く): 38884121

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 72949, 510643, 802439, 1677827, 5617073, 11744789, 18456097, 129192679]

約数ペア:

[(1, 129192679), (7, 18456097), (11, 11744789), (23, 5617073), (77, 1677827), (161, 802439), (253, 510643), (1771, 72949)]