74570209

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 91404288

約数和(自身を除く): 16834079

約数列:

[1, 7, 23, 49, 127, 161, 521, 889, 1127, 2921, 3647, 6223, 11983, 20447, 25529, 66167, 83881, 143129, 463169, 587167, 1521841, 3242183, 10652887, 74570209]

約数ペア:

[(1, 74570209), (7, 10652887), (23, 3242183), (49, 1521841), (127, 587167), (161, 463169), (521, 143129), (889, 83881), (1127, 66167), (2921, 25529), (3647, 20447), (6223, 11983)]