218512954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 363242880

約数和(自身を除く): 144729926

約数列:

[1, 2, 11, 22, 109, 218, 293, 311, 586, 622, 1199, 2398, 3223, 3421, 6446, 6842, 31937, 33899, 63874, 67798, 91123, 182246, 351307, 372889, 702614, 745778, 1002353, 2004706, 9932407, 19864814, 109256477, 218512954]

約数ペア:

[(1, 218512954), (2, 109256477), (11, 19864814), (22, 9932407), (109, 2004706), (218, 1002353), (293, 745778), (311, 702614), (586, 372889), (622, 351307), (1199, 182246), (2398, 91123), (3223, 67798), (3421, 63874), (6446, 33899), (6842, 31937)]