25428654

素因数分解:

$2^1\times 3^4\times {\mathrm{156967}}^1$

素因数の和:156981

約数の個数: 20

約数和(自身を含む): 56979384

約数和(自身を除く): 31550730

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 156967, 313934, 470901, 941802, 1412703, 2825406, 4238109, 8476218, 12714327, 25428654]

約数ペア:

[(1, 25428654), (2, 12714327), (3, 8476218), (6, 4238109), (9, 2825406), (18, 1412703), (27, 941802), (54, 470901), (81, 313934), (162, 156967)]