213517919

素因数分解:

${\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 223179264

約数和(自身を除く): 9661345

約数列:

[1, 43, 73, 251, 271, 3139, 10793, 11653, 18323, 19783, 68021, 787889, 850669, 2924903, 4965533, 213517919]

約数ペア:

[(1, 213517919), (43, 4965533), (73, 2924903), (251, 850669), (271, 787889), (3139, 68021), (10793, 19783), (11653, 18323)]