688694968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{6563}}^1$

素因数の和:7591

約数の個数: 32

約数和(自身を含む): 1392224400

約数和(自身を除く): 703529432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1009, 2018, 4036, 6563, 8072, 13117, 13126, 26234, 26252, 52468, 52504, 85319, 104936, 170638, 341276, 682552, 6622067, 13244134, 26488268, 52976536, 86086871, 172173742, 344347484, 688694968]

約数ペア:

[(1, 688694968), (2, 344347484), (4, 172173742), (8, 86086871), (13, 52976536), (26, 26488268), (52, 13244134), (104, 6622067), (1009, 682552), (2018, 341276), (4036, 170638), (6563, 104936), (8072, 85319), (13117, 52504), (13126, 52468), (26234, 26252)]