42317978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8501}}^1$

素因数の和:8653

約数の個数: 16

約数和(自身を含む): 67335840

約数和(自身を除く): 25017862

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 8501, 17002, 161519, 323038, 1113631, 2227262, 21158989, 42317978]

約数ペア:

[(1, 42317978), (2, 21158989), (19, 2227262), (38, 1113631), (131, 323038), (262, 161519), (2489, 17002), (4978, 8501)]