205087687

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 245107296

約数和(自身を除く): 40019609

約数列:

[1, 7, 49, 53, 157, 371, 503, 1099, 2597, 3521, 7693, 8321, 24647, 26659, 58247, 78971, 186613, 407729, 552797, 1306291, 3869579, 4185463, 29298241, 205087687]

約数ペア:

[(1, 205087687), (7, 29298241), (49, 4185463), (53, 3869579), (157, 1306291), (371, 552797), (503, 407729), (1099, 186613), (2597, 78971), (3521, 58247), (7693, 26659), (8321, 24647)]