28166978

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 22014142

約数列:

[1, 2, 7, 14, 43, 71, 86, 142, 301, 497, 602, 659, 994, 1318, 3053, 4613, 6106, 9226, 21371, 28337, 42742, 46789, 56674, 93578, 198359, 327523, 396718, 655046, 2011927, 4023854, 14083489, 28166978]

約数ペア:

[(1, 28166978), (2, 14083489), (7, 4023854), (14, 2011927), (43, 655046), (71, 396718), (86, 327523), (142, 198359), (301, 93578), (497, 56674), (602, 46789), (659, 42742), (994, 28337), (1318, 21371), (3053, 9226), (4613, 6106)]