25553972

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 45628800

約数和(自身を除く): 20074828

約数列:

[1, 2, 4, 79, 158, 193, 316, 386, 419, 772, 838, 1676, 15247, 30494, 33101, 60988, 66202, 80867, 132404, 161734, 323468, 6388493, 12776986, 25553972]

約数ペア:

[(1, 25553972), (2, 12776986), (4, 6388493), (79, 323468), (158, 161734), (193, 132404), (316, 80867), (386, 66202), (419, 60988), (772, 33101), (838, 30494), (1676, 15247)]