28837907

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 34003200

約数和(自身を除く): 5165293

約数列:

[1, 7, 43, 149, 301, 643, 1043, 4501, 6407, 27649, 44849, 95807, 193543, 670649, 4119701, 28837907]

約数ペア:

[(1, 28837907), (7, 4119701), (43, 670649), (149, 193543), (301, 95807), (643, 44849), (1043, 27649), (4501, 6407)]