260070916

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{18917}}^1$

素因数の和:19419

約数の個数: 24

約数和(自身を含む): 521228736

約数和(自身を除く): 261157820

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 6874, 13748, 18917, 37834, 75668, 132419, 264838, 529676, 9288247, 18576494, 37152988, 65017729, 130035458, 260070916]

約数ペア:

[(1, 260070916), (2, 130035458), (4, 65017729), (7, 37152988), (14, 18576494), (28, 9288247), (491, 529676), (982, 264838), (1964, 132419), (3437, 75668), (6874, 37834), (13748, 18917)]