2018997911

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{9431}}^1$

素因数の和:9719

約数の個数: 24

約数和(自身を含む): 2496725856

約数和(自身を除く): 477727945

約数列:

[1, 7, 17, 49, 119, 257, 833, 1799, 4369, 9431, 12593, 30583, 66017, 160327, 214081, 462119, 1122289, 2423767, 7856023, 16966369, 41204039, 118764583, 288428273, 2018997911]

約数ペア:

[(1, 2018997911), (7, 288428273), (17, 118764583), (49, 41204039), (119, 16966369), (257, 7856023), (833, 2423767), (1799, 1122289), (4369, 462119), (9431, 214081), (12593, 160327), (30583, 66017)]