28804874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108289}}^1$

素因数の和:108317

約数の個数: 16

約数和(自身を含む): 51979200

約数和(自身を除く): 23174326

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 108289, 216578, 758023, 1516046, 2057491, 4114982, 14402437, 28804874]

約数ペア:

[(1, 28804874), (2, 14402437), (7, 4114982), (14, 2057491), (19, 1516046), (38, 758023), (133, 216578), (266, 108289)]