85890925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 116409216

約数和(自身を除く): 30518291

約数列:

[1, 5, 19, 25, 31, 95, 155, 307, 361, 475, 589, 775, 1535, 1805, 2945, 5833, 7675, 9025, 9517, 11191, 14725, 29165, 47585, 55955, 110827, 145825, 180823, 237925, 279775, 554135, 904115, 2770675, 3435637, 4520575, 17178185, 85890925]

約数ペア:

[(1, 85890925), (5, 17178185), (19, 4520575), (25, 3435637), (31, 2770675), (95, 904115), (155, 554135), (307, 279775), (361, 237925), (475, 180823), (589, 145825), (775, 110827), (1535, 55955), (1805, 47585), (2945, 29165), (5833, 14725), (7675, 11191), (9025, 9517)]