66867856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{379931}}^1$

素因数の和:379950

約数の個数: 20

約数和(自身を含む): 141334704

約数和(自身を除く): 74466848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 379931, 759862, 1519724, 3039448, 4179241, 6078896, 8358482, 16716964, 33433928, 66867856]

約数ペア:

[(1, 66867856), (2, 33433928), (4, 16716964), (8, 8358482), (11, 6078896), (16, 4179241), (22, 3039448), (44, 1519724), (88, 759862), (176, 379931)]