211994497

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 258935040

約数和(自身を除く): 46940543

約数列:

[1, 11, 13, 37, 103, 143, 389, 407, 481, 1133, 1339, 3811, 4279, 5057, 5291, 14393, 14729, 40067, 41921, 49543, 55627, 158323, 187109, 440737, 520871, 544973, 1482479, 2058199, 5729581, 16307269, 19272227, 211994497]

約数ペア:

[(1, 211994497), (11, 19272227), (13, 16307269), (37, 5729581), (103, 2058199), (143, 1482479), (389, 544973), (407, 520871), (481, 440737), (1133, 187109), (1339, 158323), (3811, 55627), (4279, 49543), (5057, 41921), (5291, 40067), (14393, 14729)]