212432857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^2$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 268689344

約数和(自身を除く): 56256487

約数列:

[1, 7, 13, 43, 91, 233, 301, 559, 1631, 3029, 3913, 10019, 21203, 54289, 70133, 130247, 380023, 705757, 911729, 2334427, 4940299, 16340989, 30347551, 212432857]

約数ペア:

[(1, 212432857), (7, 30347551), (13, 16340989), (43, 4940299), (91, 2334427), (233, 911729), (301, 705757), (559, 380023), (1631, 130247), (3029, 70133), (3913, 54289), (10019, 21203)]