212971884

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{249967}}^1$

素因数の和:250045

約数の個数: 24

約数和(自身を含む): 503935488

約数和(自身を除く): 290963604

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 249967, 499934, 749901, 999868, 1499802, 2999604, 17747657, 35495314, 53242971, 70990628, 106485942, 212971884]

約数ペア:

[(1, 212971884), (2, 106485942), (3, 70990628), (4, 53242971), (6, 35495314), (12, 17747657), (71, 2999604), (142, 1499802), (213, 999868), (284, 749901), (426, 499934), (852, 249967)]