81760084

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78919}}^1$

素因数の和:78967

約数の個数: 24

約数和(自身を含む): 167941760

約数和(自身を除く): 86181676

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 78919, 157838, 315676, 552433, 1104866, 2209732, 2920003, 5840006, 11680012, 20440021, 40880042, 81760084]

約数ペア:

[(1, 81760084), (2, 40880042), (4, 20440021), (7, 11680012), (14, 5840006), (28, 2920003), (37, 2209732), (74, 1104866), (148, 552433), (259, 315676), (518, 157838), (1036, 78919)]