12640938

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 13970262

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 139, 278, 417, 659, 834, 1318, 1977, 3197, 3954, 6394, 9591, 15157, 19182, 30314, 45471, 90942, 91601, 183202, 274803, 549606, 2106823, 4213646, 6320469, 12640938]

約数ペア:

[(1, 12640938), (2, 6320469), (3, 4213646), (6, 2106823), (23, 549606), (46, 274803), (69, 183202), (138, 91601), (139, 90942), (278, 45471), (417, 30314), (659, 19182), (834, 15157), (1318, 9591), (1977, 6394), (3197, 3954)]