81458316

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{20759}}^1$

素因数の和:20878

約数の個数: 36

約数和(自身を含む): 207807600

約数和(自身を除く): 126349284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 20759, 41518, 62277, 83036, 124554, 186831, 249108, 373662, 747324, 2262731, 4525462, 6788193, 9050924, 13576386, 20364579, 27152772, 40729158, 81458316]

約数ペア:

[(1, 81458316), (2, 40729158), (3, 27152772), (4, 20364579), (6, 13576386), (9, 9050924), (12, 6788193), (18, 4525462), (36, 2262731), (109, 747324), (218, 373662), (327, 249108), (436, 186831), (654, 124554), (981, 83036), (1308, 62277), (1962, 41518), (3924, 20759)]