890309077

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{2689}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 1076376600

約数和(自身を除く): 186067523

約数列:

[1, 7, 29, 49, 203, 233, 1421, 1631, 2689, 6757, 11417, 18823, 47299, 77981, 131761, 331093, 545867, 626537, 3821069, 4385759, 18169573, 30700313, 127187011, 890309077]

約数ペア:

[(1, 890309077), (7, 127187011), (29, 30700313), (49, 18169573), (203, 4385759), (233, 3821069), (1421, 626537), (1631, 545867), (2689, 331093), (6757, 131761), (11417, 77981), (18823, 47299)]