40172218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{4127}}^1$

素因数の和:4317

約数の個数: 16

約数和(自身を含む): 62613504

約数和(自身を除く): 22441286

約数列:

[1, 2, 31, 62, 157, 314, 4127, 4867, 8254, 9734, 127937, 255874, 647939, 1295878, 20086109, 40172218]

約数ペア:

[(1, 40172218), (2, 20086109), (31, 1295878), (62, 647939), (157, 255874), (314, 127937), (4127, 9734), (4867, 8254)]