397447688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1987}}^1\times {\mathrm{2273}}^1$

素因数の和:4277

約数の個数: 32

約数和(自身を含む): 813728160

約数和(自身を除く): 416280472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1987, 2273, 3974, 4546, 7948, 9092, 15896, 18184, 21857, 25003, 43714, 50006, 87428, 100012, 174856, 200024, 4516451, 9032902, 18065804, 36131608, 49680961, 99361922, 198723844, 397447688]

約数ペア:

[(1, 397447688), (2, 198723844), (4, 99361922), (8, 49680961), (11, 36131608), (22, 18065804), (44, 9032902), (88, 4516451), (1987, 200024), (2273, 174856), (3974, 100012), (4546, 87428), (7948, 50006), (9092, 43714), (15896, 25003), (18184, 21857)]