256261128

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20261}}^1$

素因数の和:20318

約数の個数: 64

約数和(自身を含む): 700254720

約数和(自身を除く): 443993592

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1581, 2108, 3162, 4216, 6324, 12648, 20261, 40522, 60783, 81044, 121566, 162088, 243132, 344437, 486264, 628091, 688874, 1033311, 1256182, 1377748, 1884273, 2066622, 2512364, 2755496, 3768546, 4133244, 5024728, 7537092, 8266488, 10677547, 15074184, 21355094, 32032641, 42710188, 64065282, 85420376, 128130564, 256261128]

約数ペア:

[(1, 256261128), (2, 128130564), (3, 85420376), (4, 64065282), (6, 42710188), (8, 32032641), (12, 21355094), (17, 15074184), (24, 10677547), (31, 8266488), (34, 7537092), (51, 5024728), (62, 4133244), (68, 3768546), (93, 2755496), (102, 2512364), (124, 2066622), (136, 1884273), (186, 1377748), (204, 1256182), (248, 1033311), (372, 688874), (408, 628091), (527, 486264), (744, 344437), (1054, 243132), (1581, 162088), (2108, 121566), (3162, 81044), (4216, 60783), (6324, 40522), (12648, 20261)]