199974208

素因数分解:

$2^6\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1279}}^1$

素因数の和:1647

約数の個数: 56

約数和(自身を含む): 455168000

約数和(自身を除く): 255193792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 349, 448, 698, 1279, 1396, 2443, 2558, 2792, 4886, 5116, 5584, 8953, 9772, 10232, 11168, 17906, 19544, 20464, 22336, 35812, 39088, 40928, 71624, 78176, 81856, 143248, 156352, 286496, 446371, 572992, 892742, 1785484, 3124597, 3570968, 6249194, 7141936, 12498388, 14283872, 24996776, 28567744, 49993552, 99987104, 199974208]

約数ペア:

[(1, 199974208), (2, 99987104), (4, 49993552), (7, 28567744), (8, 24996776), (14, 14283872), (16, 12498388), (28, 7141936), (32, 6249194), (56, 3570968), (64, 3124597), (112, 1785484), (224, 892742), (349, 572992), (448, 446371), (698, 286496), (1279, 156352), (1396, 143248), (2443, 81856), (2558, 78176), (2792, 71624), (4886, 40928), (5116, 39088), (5584, 35812), (8953, 22336), (9772, 20464), (10232, 19544), (11168, 17906)]