81359965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7393}}^1$

素因数の和:7500

約数の個数: 16

約数和(自身を含む): 102214656

約数和(自身を除く): 20854691

約数列:

[1, 5, 31, 71, 155, 355, 2201, 7393, 11005, 36965, 229183, 524903, 1145915, 2624515, 16271993, 81359965]

約数ペア:

[(1, 81359965), (5, 16271993), (31, 2624515), (71, 1145915), (155, 524903), (355, 229183), (2201, 36965), (7393, 11005)]