1649936

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1130

約数の個数: 20

約数和(自身を含む): 3231564

約数和(自身を除く): 1581628

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1021, 1616, 2042, 4084, 8168, 16336, 103121, 206242, 412484, 824968, 1649936]

約数ペア:

[(1, 1649936), (2, 824968), (4, 412484), (8, 206242), (16, 103121), (101, 16336), (202, 8168), (404, 4084), (808, 2042), (1021, 1616)]