25071193

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 30437088

約数和(自身を除く): 5365895

約数列:

[1, 7, 43, 49, 73, 163, 301, 511, 1141, 2107, 3139, 3577, 7009, 7987, 11899, 21973, 49063, 83293, 153811, 343441, 511657, 583051, 3581599, 25071193]

約数ペア:

[(1, 25071193), (7, 3581599), (43, 583051), (49, 511657), (73, 343441), (163, 153811), (301, 83293), (511, 49063), (1141, 21973), (2107, 11899), (3139, 7987), (3577, 7009)]