259252510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{20857}}^1$

素因数の和:20988

約数の個数: 32

約数和(自身を含む): 513607392

約数和(自身を除く): 254354882

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2486, 6215, 12430, 20857, 41714, 104285, 208570, 229427, 458854, 1147135, 2294270, 2356841, 4713682, 11784205, 23568410, 25925251, 51850502, 129626255, 259252510]

約数ペア:

[(1, 259252510), (2, 129626255), (5, 51850502), (10, 25925251), (11, 23568410), (22, 11784205), (55, 4713682), (110, 2356841), (113, 2294270), (226, 1147135), (565, 458854), (1130, 229427), (1243, 208570), (2486, 104285), (6215, 41714), (12430, 20857)]