207964915

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 259277040

約数和(自身を除く): 51312125

約数列:

[1, 5, 41, 109, 205, 227, 545, 1135, 1681, 4469, 8405, 9307, 22345, 24743, 46535, 123715, 183229, 381587, 916145, 1014463, 1907935, 5072315, 41592983, 207964915]

約数ペア:

[(1, 207964915), (5, 41592983), (41, 5072315), (109, 1907935), (205, 1014463), (227, 916145), (545, 381587), (1135, 183229), (1681, 123715), (4469, 46535), (8405, 24743), (9307, 22345)]