2171232469

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{256981}}^1$

素因数の和:257076

約数の個数: 16

約数和(自身を含む): 2664389376

約数和(自身を除く): 493156907

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 256981, 1798867, 4368677, 18245651, 30580739, 127719557, 310176067, 2171232469]

約数ペア:

[(1, 2171232469), (7, 310176067), (17, 127719557), (71, 30580739), (119, 18245651), (497, 4368677), (1207, 1798867), (8449, 256981)]