1970578258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{644401}}^1$

素因数の和:644553

約数の個数: 16

約数和(自身を含む): 3247786080

約数和(自身を除く): 1277207822

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 644401, 1288802, 7088411, 14176822, 89571739, 179143478, 985289129, 1970578258]

約数ペア:

[(1, 1970578258), (2, 985289129), (11, 179143478), (22, 89571739), (139, 14176822), (278, 7088411), (1529, 1288802), (3058, 644401)]