202478975

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 256263360

約数和(自身を除く): 53784385

約数列:

[1, 5, 25, 79, 157, 395, 653, 785, 1975, 3265, 3925, 12403, 16325, 51587, 62015, 102521, 257935, 310075, 512605, 1289675, 2563025, 8099159, 40495795, 202478975]

約数ペア:

[(1, 202478975), (5, 40495795), (25, 8099159), (79, 2563025), (157, 1289675), (395, 512605), (653, 310075), (785, 257935), (1975, 102521), (3265, 62015), (3925, 51587), (12403, 16325)]