13138405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 19814400

約数和(自身を除く): 6675995

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 859, 2185, 3059, 4295, 6013, 15295, 16321, 19757, 30065, 81605, 98785, 114247, 138299, 375383, 571235, 691495, 1876915, 2627681, 13138405]

約数ペア:

[(1, 13138405), (5, 2627681), (7, 1876915), (19, 691495), (23, 571235), (35, 375383), (95, 138299), (115, 114247), (133, 98785), (161, 81605), (437, 30065), (665, 19757), (805, 16321), (859, 15295), (2185, 6013), (3059, 4295)]