161502208

素因数分解:

$2^{10}\times 7^1\times {\mathrm{22531}}^1$

素因数の和:22558

約数の個数: 44

約数和(自身を含む): 368984032

約数和(自身を除く): 207481824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 22531, 45062, 90124, 157717, 180248, 315434, 360496, 630868, 720992, 1261736, 1441984, 2523472, 2883968, 5046944, 5767936, 10093888, 11535872, 20187776, 23071744, 40375552, 80751104, 161502208]

約数ペア:

[(1, 161502208), (2, 80751104), (4, 40375552), (7, 23071744), (8, 20187776), (14, 11535872), (16, 10093888), (28, 5767936), (32, 5046944), (56, 2883968), (64, 2523472), (112, 1441984), (128, 1261736), (224, 720992), (256, 630868), (448, 360496), (512, 315434), (896, 180248), (1024, 157717), (1792, 90124), (3584, 45062), (7168, 22531)]