25555706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 43122240

約数和(自身を除く): 17566534

約数列:

[1, 2, 11, 22, 61, 122, 137, 139, 274, 278, 671, 1342, 1507, 1529, 3014, 3058, 8357, 8479, 16714, 16958, 19043, 38086, 91927, 93269, 183854, 186538, 209473, 418946, 1161623, 2323246, 12777853, 25555706]

約数ペア:

[(1, 25555706), (2, 12777853), (11, 2323246), (22, 1161623), (61, 418946), (122, 209473), (137, 186538), (139, 183854), (274, 93269), (278, 91927), (671, 38086), (1342, 19043), (1507, 16958), (1529, 16714), (3014, 8479), (3058, 8357)]