204915812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{2971}}^1$

素因数の和:3419

約数の個数: 24

約数和(自身を含む): 367981152

約数和(自身を除く): 163065340

約数列:

[1, 2, 4, 43, 86, 172, 401, 802, 1604, 2971, 5942, 11884, 17243, 34486, 68972, 127753, 255506, 511012, 1191371, 2382742, 4765484, 51228953, 102457906, 204915812]

約数ペア:

[(1, 204915812), (2, 102457906), (4, 51228953), (43, 4765484), (86, 2382742), (172, 1191371), (401, 511012), (802, 255506), (1604, 127753), (2971, 68972), (5942, 34486), (11884, 17243)]