899897779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 1057536000

約数和(自身を除く): 157638221

約数列:

[1, 11, 19, 89, 101, 209, 479, 979, 1111, 1691, 1919, 5269, 8989, 9101, 18601, 21109, 42631, 48379, 98879, 100111, 170791, 468941, 532169, 809989, 919201, 1878701, 4305731, 8909879, 10111211, 47363041, 81808889, 899897779]

約数ペア:

[(1, 899897779), (11, 81808889), (19, 47363041), (89, 10111211), (101, 8909879), (209, 4305731), (479, 1878701), (979, 919201), (1111, 809989), (1691, 532169), (1919, 468941), (5269, 170791), (8989, 100111), (9101, 98879), (18601, 48379), (21109, 42631)]