31720192

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 74826752

約数和(自身を除く): 43106560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 571, 868, 896, 992, 1142, 1736, 1792, 1984, 2284, 3472, 3968, 3997, 4568, 6944, 7936, 7994, 9136, 13888, 15988, 17701, 18272, 27776, 31976, 35402, 36544, 55552, 63952, 70804, 73088, 123907, 127904, 141608, 146176, 247814, 255808, 283216, 495628, 511616, 566432, 991256, 1023232, 1132864, 1982512, 2265728, 3965024, 4531456, 7930048, 15860096, 31720192]

約数ペア:

[(1, 31720192), (2, 15860096), (4, 7930048), (7, 4531456), (8, 3965024), (14, 2265728), (16, 1982512), (28, 1132864), (31, 1023232), (32, 991256), (56, 566432), (62, 511616), (64, 495628), (112, 283216), (124, 255808), (128, 247814), (217, 146176), (224, 141608), (248, 127904), (256, 123907), (434, 73088), (448, 70804), (496, 63952), (571, 55552), (868, 36544), (896, 35402), (992, 31976), (1142, 27776), (1736, 18272), (1792, 17701), (1984, 15988), (2284, 13888), (3472, 9136), (3968, 7994), (3997, 7936), (4568, 6944)]