209440958

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:820

約数の個数: 24

約数和(自身を含む): 327356640

約数和(自身を除く): 117915682

約数列:

[1, 2, 29, 58, 239, 478, 521, 841, 1042, 1682, 6931, 13862, 15109, 30218, 124519, 200999, 249038, 401998, 438161, 876322, 3611051, 7222102, 104720479, 209440958]

約数ペア:

[(1, 209440958), (2, 104720479), (29, 7222102), (58, 3611051), (239, 876322), (478, 438161), (521, 401998), (841, 249038), (1042, 200999), (1682, 124519), (6931, 30218), (13862, 15109)]