256191384

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1489}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 656553600

約数和(自身を除く): 400362216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 107, 134, 201, 214, 268, 321, 402, 428, 536, 642, 804, 856, 1284, 1489, 1608, 2568, 2978, 4467, 5956, 7169, 8934, 11912, 14338, 17868, 21507, 28676, 35736, 43014, 57352, 86028, 99763, 159323, 172056, 199526, 299289, 318646, 399052, 477969, 598578, 637292, 798104, 955938, 1197156, 1274584, 1911876, 2394312, 3823752, 10674641, 21349282, 32023923, 42698564, 64047846, 85397128, 128095692, 256191384]

約数ペア:

[(1, 256191384), (2, 128095692), (3, 85397128), (4, 64047846), (6, 42698564), (8, 32023923), (12, 21349282), (24, 10674641), (67, 3823752), (107, 2394312), (134, 1911876), (201, 1274584), (214, 1197156), (268, 955938), (321, 798104), (402, 637292), (428, 598578), (536, 477969), (642, 399052), (804, 318646), (856, 299289), (1284, 199526), (1489, 172056), (1608, 159323), (2568, 99763), (2978, 86028), (4467, 57352), (5956, 43014), (7169, 35736), (8934, 28676), (11912, 21507), (14338, 17868)]