77937968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157133}}^1$

素因数の和:157172

約数の個数: 20

約数和(自身を含む): 155876928

約数和(自身を除く): 77938960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 157133, 314266, 628532, 1257064, 2514128, 4871123, 9742246, 19484492, 38968984, 77937968]

約数ペア:

[(1, 77937968), (2, 38968984), (4, 19484492), (8, 9742246), (16, 4871123), (31, 2514128), (62, 1257064), (124, 628532), (248, 314266), (496, 157133)]