40129978

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{77471}}^1$

素因数の和:77517

約数の個数: 16

約数和(自身を含む): 70654464

約数和(自身を除く): 30524486

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 77471, 154942, 542297, 1084594, 2866427, 5732854, 20064989, 40129978]

約数ペア:

[(1, 40129978), (2, 20064989), (7, 5732854), (14, 2866427), (37, 1084594), (74, 542297), (259, 154942), (518, 77471)]