407418416

素因数分解:

$2^4\times {\mathrm{1229}}^1\times {\mathrm{20719}}^1$

素因数の和:21956

約数の個数: 20

約数和(自身を含む): 790053600

約数和(自身を除く): 382635184

約数列:

[1, 2, 4, 8, 16, 1229, 2458, 4916, 9832, 19664, 20719, 41438, 82876, 165752, 331504, 25463651, 50927302, 101854604, 203709208, 407418416]

約数ペア:

[(1, 407418416), (2, 203709208), (4, 101854604), (8, 50927302), (16, 25463651), (1229, 331504), (2458, 165752), (4916, 82876), (9832, 41438), (19664, 20719)]