256425904

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{11987}}^1$

素因数の和:12193

約数の個数: 40

約数和(自身を含む): 570820608

約数和(自身を除く): 314394704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 1337, 1528, 2674, 3056, 5348, 10696, 11987, 21392, 23974, 47948, 83909, 95896, 167818, 191792, 335636, 671272, 1342544, 2289517, 4579034, 9158068, 16026619, 18316136, 32053238, 36632272, 64106476, 128212952, 256425904]

約数ペア:

[(1, 256425904), (2, 128212952), (4, 64106476), (7, 36632272), (8, 32053238), (14, 18316136), (16, 16026619), (28, 9158068), (56, 4579034), (112, 2289517), (191, 1342544), (382, 671272), (764, 335636), (1337, 191792), (1528, 167818), (2674, 95896), (3056, 83909), (5348, 47948), (10696, 23974), (11987, 21392)]