201689968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{406633}}^1$

素因数の和:406672

約数の個数: 20

約数和(自身を含む): 403380928

約数和(自身を除く): 201690960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 406633, 813266, 1626532, 3253064, 6506128, 12605623, 25211246, 50422492, 100844984, 201689968]

約数ペア:

[(1, 201689968), (2, 100844984), (4, 50422492), (8, 25211246), (16, 12605623), (31, 6506128), (62, 3253064), (124, 1626532), (248, 813266), (496, 406633)]