66556475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 85424592

約数和(自身を除く): 18868117

約数列:

[1, 5, 25, 43, 101, 215, 505, 613, 1075, 2525, 3065, 4343, 15325, 21715, 26359, 61913, 108575, 131795, 309565, 658975, 1547825, 2662259, 13311295, 66556475]

約数ペア:

[(1, 66556475), (5, 13311295), (25, 2662259), (43, 1547825), (101, 658975), (215, 309565), (505, 131795), (613, 108575), (1075, 61913), (2525, 26359), (3065, 21715), (4343, 15325)]