181969091521

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{857459}}^1$

素因数の和:857605

約数の個数: 24

約数和(自身を含む): 218178982080

約数和(自身を除く): 36209890559

約数列:

[1, 7, 49, 61, 71, 427, 497, 2989, 3479, 4331, 30317, 212219, 857459, 6002213, 42015491, 52304999, 60879589, 366134993, 426157123, 2562944951, 2983099861, 3713654929, 25995584503, 181969091521]

約数ペア:

[(1, 181969091521), (7, 25995584503), (49, 3713654929), (61, 2983099861), (71, 2562944951), (427, 426157123), (497, 366134993), (2989, 60879589), (3479, 52304999), (4331, 42015491), (30317, 6002213), (212219, 857459)]