201938975

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18917}}^1$

素因数の和:18995

約数の個数: 24

約数和(自身を含む): 290883168

約数和(自身を除く): 88944193

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 10675, 18917, 94585, 132419, 472925, 662095, 1153937, 3310475, 5769685, 8077559, 28848425, 40387795, 201938975]

約数ペア:

[(1, 201938975), (5, 40387795), (7, 28848425), (25, 8077559), (35, 5769685), (61, 3310475), (175, 1153937), (305, 662095), (427, 472925), (1525, 132419), (2135, 94585), (10675, 18917)]