31778621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3917}}^1$

素因数の和:4004

約数の個数: 16

約数和(自身を含む): 38866560

約数和(自身を除く): 7087939

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3917, 8113, 27419, 74423, 238937, 520961, 1672559, 4539803, 31778621]

約数ペア:

[(1, 31778621), (7, 4539803), (19, 1672559), (61, 520961), (133, 238937), (427, 74423), (1159, 27419), (3917, 8113)]