209389934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3659}}^1$

素因数の和:3776

約数の個数: 32

約数和(自身を含む): 354170880

約数和(自身を除く): 144780946

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 403, 806, 923, 1846, 2201, 3659, 4402, 7318, 28613, 47567, 57226, 95134, 113429, 226858, 259789, 519578, 1474577, 2949154, 3377257, 6754514, 8053459, 16106918, 104694967, 209389934]

約数ペア:

[(1, 209389934), (2, 104694967), (13, 16106918), (26, 8053459), (31, 6754514), (62, 3377257), (71, 2949154), (142, 1474577), (403, 519578), (806, 259789), (923, 226858), (1846, 113429), (2201, 95134), (3659, 57226), (4402, 47567), (7318, 28613)]