256402488

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{11117}}^1$

素因数の和:11188

約数の個数: 48

約数和(自身を含む): 662410440

約数和(自身を除く): 406007952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 961, 1922, 2883, 3844, 5766, 7688, 11117, 11532, 22234, 23064, 33351, 44468, 66702, 88936, 133404, 266808, 344627, 689254, 1033881, 1378508, 2067762, 2757016, 4135524, 8271048, 10683437, 21366874, 32050311, 42733748, 64100622, 85467496, 128201244, 256402488]

約数ペア:

[(1, 256402488), (2, 128201244), (3, 85467496), (4, 64100622), (6, 42733748), (8, 32050311), (12, 21366874), (24, 10683437), (31, 8271048), (62, 4135524), (93, 2757016), (124, 2067762), (186, 1378508), (248, 1033881), (372, 689254), (744, 344627), (961, 266808), (1922, 133404), (2883, 88936), (3844, 66702), (5766, 44468), (7688, 33351), (11117, 23064), (11532, 22234)]