256851264

素因数分解:

$2^6\times 3^1\times {\mathrm{641}}^1\times {\mathrm{2087}}^1$

素因数の和:2743

約数の個数: 56

約数和(自身を含む): 680971968

約数和(自身を除く): 424120704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 641, 1282, 1923, 2087, 2564, 3846, 4174, 5128, 6261, 7692, 8348, 10256, 12522, 15384, 16696, 20512, 25044, 30768, 33392, 41024, 50088, 61536, 66784, 100176, 123072, 133568, 200352, 400704, 1337767, 2675534, 4013301, 5351068, 8026602, 10702136, 16053204, 21404272, 32106408, 42808544, 64212816, 85617088, 128425632, 256851264]

約数ペア:

[(1, 256851264), (2, 128425632), (3, 85617088), (4, 64212816), (6, 42808544), (8, 32106408), (12, 21404272), (16, 16053204), (24, 10702136), (32, 8026602), (48, 5351068), (64, 4013301), (96, 2675534), (192, 1337767), (641, 400704), (1282, 200352), (1923, 133568), (2087, 123072), (2564, 100176), (3846, 66784), (4174, 61536), (5128, 50088), (6261, 41024), (7692, 33392), (8348, 30768), (10256, 25044), (12522, 20512), (15384, 16696)]