309986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 16

約数和(自身を含む): 492480

約数和(自身を除く): 182494

約数列:

[1, 2, 37, 59, 71, 74, 118, 142, 2183, 2627, 4189, 4366, 5254, 8378, 154993, 309986]

約数ペア:

[(1, 309986), (2, 154993), (37, 8378), (59, 5254), (71, 4366), (74, 4189), (118, 2627), (142, 2183)]