289457749

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 345667608

約数和(自身を除く): 56209859

約数列:

[1, 7, 49, 61, 113, 427, 791, 857, 2989, 5537, 5999, 6893, 41993, 48251, 52277, 96841, 337757, 365939, 677887, 2561573, 4745209, 5907301, 41351107, 289457749]

約数ペア:

[(1, 289457749), (7, 41351107), (49, 5907301), (61, 4745209), (113, 2561573), (427, 677887), (791, 365939), (857, 337757), (2989, 96841), (5537, 52277), (5999, 48251), (6893, 41993)]