209564342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 349574400

約数和(自身を除く): 140010058

約数列:

[1, 2, 13, 26, 59, 67, 118, 134, 767, 871, 1534, 1742, 2039, 3953, 4078, 7906, 26507, 51389, 53014, 102778, 120301, 136613, 240602, 273226, 1563913, 1775969, 3127826, 3551938, 8060167, 16120334, 104782171, 209564342]

約数ペア:

[(1, 209564342), (2, 104782171), (13, 16120334), (26, 8060167), (59, 3551938), (67, 3127826), (118, 1775969), (134, 1563913), (767, 273226), (871, 240602), (1534, 136613), (1742, 120301), (2039, 102778), (3953, 53014), (4078, 51389), (7906, 26507)]