199945984

素因数分解:

$2^8\times 7^1\times {\mathrm{111577}}^1$

素因数の和:111600

約数の個数: 36

約数和(自身を含む): 456130864

約数和(自身を除く): 256184880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 111577, 223154, 446308, 781039, 892616, 1562078, 1785232, 3124156, 3570464, 6248312, 7140928, 12496624, 14281856, 24993248, 28563712, 49986496, 99972992, 199945984]

約数ペア:

[(1, 199945984), (2, 99972992), (4, 49986496), (7, 28563712), (8, 24993248), (14, 14281856), (16, 12496624), (28, 7140928), (32, 6248312), (56, 3570464), (64, 3124156), (112, 1785232), (128, 1562078), (224, 892616), (256, 781039), (448, 446308), (896, 223154), (1792, 111577)]