201919994

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1\times {\mathrm{2221}}^1$

素因数の和:2701

約数の個数: 16

約数和(自身を含む): 306209376

約数和(自身を除く): 104289382

約数列:

[1, 2, 131, 262, 347, 694, 2221, 4442, 45457, 90914, 290951, 581902, 770687, 1541374, 100959997, 201919994]

約数ペア:

[(1, 201919994), (2, 100959997), (131, 1541374), (262, 770687), (347, 581902), (694, 290951), (2221, 90914), (4442, 45457)]