199691828

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{165857}}^1$

素因数の和:165911

約数の個数: 24

約数和(自身を含む): 408674112

約数和(自身を除く): 208982284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 165857, 331714, 663428, 1160999, 2321998, 4643996, 7131851, 14263702, 28527404, 49922957, 99845914, 199691828]

約数ペア:

[(1, 199691828), (2, 99845914), (4, 49922957), (7, 28527404), (14, 14263702), (28, 7131851), (43, 4643996), (86, 2321998), (172, 1160999), (301, 663428), (602, 331714), (1204, 165857)]