809875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 32

約数和(自身を含む): 1198080

約数和(自身を除く): 388205

約数列:

[1, 5, 11, 19, 25, 31, 55, 95, 125, 155, 209, 275, 341, 475, 589, 775, 1045, 1375, 1705, 2375, 2945, 3875, 5225, 6479, 8525, 14725, 26125, 32395, 42625, 73625, 161975, 809875]

約数ペア:

[(1, 809875), (5, 161975), (11, 73625), (19, 42625), (25, 32395), (31, 26125), (55, 14725), (95, 8525), (125, 6479), (155, 5225), (209, 3875), (275, 2945), (341, 2375), (475, 1705), (589, 1375), (775, 1045)]