398610352

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{39989}}^1$

素因数の和:40093

約数の個数: 40

約数和(自身を含む): 892576800

約数和(自身を除く): 493966448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 39989, 79978, 159956, 279923, 319912, 559846, 639824, 1119692, 2239384, 3559021, 4478768, 7118042, 14236084, 24913147, 28472168, 49826294, 56944336, 99652588, 199305176, 398610352]

約数ペア:

[(1, 398610352), (2, 199305176), (4, 99652588), (7, 56944336), (8, 49826294), (14, 28472168), (16, 24913147), (28, 14236084), (56, 7118042), (89, 4478768), (112, 3559021), (178, 2239384), (356, 1119692), (623, 639824), (712, 559846), (1246, 319912), (1424, 279923), (2492, 159956), (4984, 79978), (9968, 39989)]