66866238

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{52321}}^1$

素因数の和:52400

約数の個数: 24

約数和(自身を含む): 146920176

約数和(自身を除く): 80053938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 52321, 104642, 156963, 313926, 470889, 941778, 3714791, 7429582, 11144373, 22288746, 33433119, 66866238]

約数ペア:

[(1, 66866238), (2, 33433119), (3, 22288746), (6, 11144373), (9, 7429582), (18, 3714791), (71, 941778), (142, 470889), (213, 313926), (426, 156963), (639, 104642), (1278, 52321)]