217874069

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1\times {\mathrm{883}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 252470400

約数和(自身を除く): 34596331

約数列:

[1, 7, 101, 349, 707, 883, 2443, 6181, 35249, 89183, 246743, 308167, 624281, 2157169, 31124867, 217874069]

約数ペア:

[(1, 217874069), (7, 31124867), (101, 2157169), (349, 624281), (707, 308167), (883, 246743), (2443, 89183), (6181, 35249)]