81553795

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 106375680

約数和(自身を除く): 24821885

約数列:

[1, 5, 19, 71, 95, 107, 113, 355, 535, 565, 1349, 2033, 2147, 6745, 7597, 8023, 10165, 10735, 12091, 37985, 40115, 60455, 144343, 152437, 229729, 721715, 762185, 858461, 1148645, 4292305, 16310759, 81553795]

約数ペア:

[(1, 81553795), (5, 16310759), (19, 4292305), (71, 1148645), (95, 858461), (107, 762185), (113, 721715), (355, 229729), (535, 152437), (565, 144343), (1349, 60455), (2033, 40115), (2147, 37985), (6745, 12091), (7597, 10735), (8023, 10165)]