646452016

素因数分解:

$2^4\times 7^1\times {\mathrm{5771893}}^1$

素因数の和:5771908

約数の個数: 20

約数和(自身を含む): 1431429712

約数和(自身を除く): 784977696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5771893, 11543786, 23087572, 40403251, 46175144, 80806502, 92350288, 161613004, 323226008, 646452016]

約数ペア:

[(1, 646452016), (2, 323226008), (4, 161613004), (7, 92350288), (8, 80806502), (14, 46175144), (16, 40403251), (28, 23087572), (56, 11543786), (112, 5771893)]