214920878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{31357}}^1$

素因数の和:31531

約数の個数: 16

約数和(自身を含む): 338666400

約数和(自身を除く): 123745522

約数列:

[1, 2, 23, 46, 149, 298, 3427, 6854, 31357, 62714, 721211, 1442422, 4672193, 9344386, 107460439, 214920878]

約数ペア:

[(1, 214920878), (2, 107460439), (23, 9344386), (46, 4672193), (149, 1442422), (298, 721211), (3427, 62714), (6854, 31357)]