261566316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{660521}}^1$

素因数の和:660542

約数の個数: 36

約数和(自身を含む): 721290024

約数和(自身を除く): 459723708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 660521, 1321042, 1981563, 2642084, 3963126, 5944689, 7265731, 7926252, 11889378, 14531462, 21797193, 23778756, 29062924, 43594386, 65391579, 87188772, 130783158, 261566316]

約数ペア:

[(1, 261566316), (2, 130783158), (3, 87188772), (4, 65391579), (6, 43594386), (9, 29062924), (11, 23778756), (12, 21797193), (18, 14531462), (22, 11889378), (33, 7926252), (36, 7265731), (44, 5944689), (66, 3963126), (99, 2642084), (132, 1981563), (198, 1321042), (396, 660521)]