3177818

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 2628262

約数列:

[1, 2, 7, 14, 23, 46, 71, 139, 142, 161, 278, 322, 497, 973, 994, 1633, 1946, 3197, 3266, 6394, 9869, 11431, 19738, 22379, 22862, 44758, 69083, 138166, 226987, 453974, 1588909, 3177818]

約数ペア:

[(1, 3177818), (2, 1588909), (7, 453974), (14, 226987), (23, 138166), (46, 69083), (71, 44758), (139, 22862), (142, 22379), (161, 19738), (278, 11431), (322, 9869), (497, 6394), (973, 3266), (994, 3197), (1633, 1946)]