201490457

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1\times {\mathrm{1171}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 235825152

約数和(自身を除く): 34334695

約数列:

[1, 7, 47, 329, 523, 1171, 3661, 8197, 24581, 55037, 172067, 385259, 612433, 4287031, 28784351, 201490457]

約数ペア:

[(1, 201490457), (7, 28784351), (47, 4287031), (329, 612433), (523, 385259), (1171, 172067), (3661, 55037), (8197, 24581)]