257940348533

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{30991271}}^1$

素因数の和:30991348

約数の個数: 16

約数和(自身を含む): 312392021760

約数和(自身を除く): 54451673227

約数列:

[1, 7, 29, 41, 203, 287, 1189, 8323, 30991271, 216938897, 898746859, 1270642111, 6291228013, 8894494777, 36848621219, 257940348533]

約数ペア:

[(1, 257940348533), (7, 36848621219), (29, 8894494777), (41, 6291228013), (203, 1270642111), (287, 898746859), (1189, 216938897), (8323, 30991271)]