220181394

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{280129}}^1$

素因数の和:280265

約数の個数: 16

約数和(自身を含む): 443725920

約数和(自身を除く): 223544526

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 280129, 560258, 840387, 1680774, 36696899, 73393798, 110090697, 220181394]

約数ペア:

[(1, 220181394), (2, 110090697), (3, 73393798), (6, 36696899), (131, 1680774), (262, 840387), (393, 560258), (786, 280129)]