428948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 826728

約数和(自身を除く): 397780

約数列:

[1, 2, 4, 13, 26, 52, 73, 113, 146, 226, 292, 452, 949, 1469, 1898, 2938, 3796, 5876, 8249, 16498, 32996, 107237, 214474, 428948]

約数ペア:

[(1, 428948), (2, 214474), (4, 107237), (13, 32996), (26, 16498), (52, 8249), (73, 5876), (113, 3796), (146, 2938), (226, 1898), (292, 1469), (452, 949)]