1268694145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{256561}}^1$

素因数の和:256632

約数の個数: 16

約数和(自身を含む): 1625576832

約数和(自身を除く): 356882687

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 256561, 1282805, 5900903, 11032123, 29504515, 55160615, 253738829, 1268694145]

約数ペア:

[(1, 1268694145), (5, 253738829), (23, 55160615), (43, 29504515), (115, 11032123), (215, 5900903), (989, 1282805), (4945, 256561)]