85665718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 140025600

約数和(自身を除く): 54359882

約数列:

[1, 2, 19, 38, 43, 86, 103, 206, 509, 817, 1018, 1634, 1957, 3914, 4429, 8858, 9671, 19342, 21887, 43774, 52427, 84151, 104854, 168302, 415853, 831706, 996113, 1992226, 2254361, 4508722, 42832859, 85665718]

約数ペア:

[(1, 85665718), (2, 42832859), (19, 4508722), (38, 2254361), (43, 1992226), (86, 996113), (103, 831706), (206, 415853), (509, 168302), (817, 104854), (1018, 84151), (1634, 52427), (1957, 43774), (3914, 21887), (4429, 19342), (8858, 9671)]