87172444

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{15919}}^1$

素因数の和:15997

約数の個数: 18

約数和(自身を含む): 156796080

約数和(自身を除く): 69623636

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 15919, 31838, 63676, 589003, 1178006, 2356012, 21793111, 43586222, 87172444]

約数ペア:

[(1, 87172444), (2, 43586222), (4, 21793111), (37, 2356012), (74, 1178006), (148, 589003), (1369, 63676), (2738, 31838), (5476, 15919)]