257219995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1\times {\mathrm{1409}}^1$

素因数の和:2702

約数の個数: 16

約数和(自身を含む): 319788000

約数和(自身を除く): 62568005

約数列:

[1, 5, 29, 145, 1259, 1409, 6295, 7045, 36511, 40861, 182555, 204305, 1773931, 8869655, 51443999, 257219995]

約数ペア:

[(1, 257219995), (5, 51443999), (29, 8869655), (145, 1773931), (1259, 204305), (1409, 182555), (6295, 40861), (7045, 36511)]