661870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{547}}^1$

素因数の和:576

約数の個数: 24

約数和(自身を含む): 1311912

約数和(自身を除く): 650042

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 547, 605, 1094, 1210, 2735, 5470, 6017, 12034, 30085, 60170, 66187, 132374, 330935, 661870]

約数ペア:

[(1, 661870), (2, 330935), (5, 132374), (10, 66187), (11, 60170), (22, 30085), (55, 12034), (110, 6017), (121, 5470), (242, 2735), (547, 1210), (605, 1094)]