26666038

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 46932480

約数和(自身を除く): 20266442

約数列:

[1, 2, 7, 14, 71, 139, 142, 193, 278, 386, 497, 973, 994, 1351, 1946, 2702, 9869, 13703, 19738, 26827, 27406, 53654, 69083, 95921, 138166, 187789, 191842, 375578, 1904717, 3809434, 13333019, 26666038]

約数ペア:

[(1, 26666038), (2, 13333019), (7, 3809434), (14, 1904717), (71, 375578), (139, 191842), (142, 187789), (193, 138166), (278, 95921), (386, 69083), (497, 53654), (973, 27406), (994, 26827), (1351, 19738), (1946, 13703), (2702, 9869)]