1289972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 2376192

約数和(自身を除く): 1086220

約数列:

[1, 2, 4, 31, 62, 101, 103, 124, 202, 206, 404, 412, 3131, 3193, 6262, 6386, 10403, 12524, 12772, 20806, 41612, 322493, 644986, 1289972]

約数ペア:

[(1, 1289972), (2, 644986), (4, 322493), (31, 41612), (62, 20806), (101, 12772), (103, 12524), (124, 10403), (202, 6386), (206, 6262), (404, 3193), (412, 3131)]