212422441

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 58527959

約数列:

[1, 7, 11, 77, 89, 139, 223, 623, 973, 979, 1529, 1561, 2453, 6853, 10703, 12371, 17171, 19847, 30997, 86597, 136081, 138929, 216979, 218317, 340967, 952567, 1528219, 2386769, 2758733, 19311131, 30346063, 212422441]

約数ペア:

[(1, 212422441), (7, 30346063), (11, 19311131), (77, 2758733), (89, 2386769), (139, 1528219), (223, 952567), (623, 340967), (973, 218317), (979, 216979), (1529, 138929), (1561, 136081), (2453, 86597), (6853, 30997), (10703, 19847), (12371, 17171)]