16840348

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 35126784

約数和(自身を除く): 18286436

約数列:

[1, 2, 4, 7, 14, 28, 43, 71, 86, 142, 172, 197, 284, 301, 394, 497, 602, 788, 994, 1204, 1379, 1988, 2758, 3053, 5516, 6106, 8471, 12212, 13987, 16942, 21371, 27974, 33884, 42742, 55948, 59297, 85484, 97909, 118594, 195818, 237188, 391636, 601441, 1202882, 2405764, 4210087, 8420174, 16840348]

約数ペア:

[(1, 16840348), (2, 8420174), (4, 4210087), (7, 2405764), (14, 1202882), (28, 601441), (43, 391636), (71, 237188), (86, 195818), (142, 118594), (172, 97909), (197, 85484), (284, 59297), (301, 55948), (394, 42742), (497, 33884), (602, 27974), (788, 21371), (994, 16942), (1204, 13987), (1379, 12212), (1988, 8471), (2758, 6106), (3053, 5516)]