38942519

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 51072000

約数和(自身を除く): 12129481

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 1999, 2783, 13993, 19481, 21989, 45977, 153923, 241879, 321839, 505747, 1693153, 3540229, 5563217, 38942519]

約数ペア:

[(1, 38942519), (7, 5563217), (11, 3540229), (23, 1693153), (77, 505747), (121, 321839), (161, 241879), (253, 153923), (847, 45977), (1771, 21989), (1999, 19481), (2783, 13993)]