31969861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 9962939

約数列:

[1, 7, 11, 29, 77, 103, 139, 203, 319, 721, 973, 1133, 1529, 2233, 2987, 4031, 7931, 10703, 14317, 20909, 28217, 32857, 44341, 100219, 157487, 229999, 310387, 415193, 1102409, 2906351, 4567123, 31969861]

約数ペア:

[(1, 31969861), (7, 4567123), (11, 2906351), (29, 1102409), (77, 415193), (103, 310387), (139, 229999), (203, 157487), (319, 100219), (721, 44341), (973, 32857), (1133, 28217), (1529, 20909), (2233, 14317), (2987, 10703), (4031, 7931)]