138671572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{24923}}^1$

素因数の和:25047

約数の個数: 24

約数和(自身を含む): 263795616

約数和(自身を除く): 125124044

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 24923, 49846, 99692, 323999, 647998, 1295996, 2666761, 5333522, 10667044, 34667893, 69335786, 138671572]

約数ペア:

[(1, 138671572), (2, 69335786), (4, 34667893), (13, 10667044), (26, 5333522), (52, 2666761), (107, 1295996), (214, 647998), (428, 323999), (1391, 99692), (2782, 49846), (5564, 24923)]