205997975

素因数分解:

$5^2\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 259367328

約数和(自身を除く): 53369353

約数列:

[1, 5, 25, 151, 197, 277, 755, 985, 1385, 3775, 4925, 6925, 29747, 41827, 54569, 148735, 209135, 272845, 743675, 1045675, 1364225, 8239919, 41199595, 205997975]

約数ペア:

[(1, 205997975), (5, 41199595), (25, 8239919), (151, 1364225), (197, 1045675), (277, 743675), (755, 272845), (985, 209135), (1385, 148735), (3775, 54569), (4925, 41827), (6925, 29747)]