256795758

素因数分解:

$2^1\times 3^4\times {\mathrm{331}}^1\times {\mathrm{4789}}^1$

素因数の和:5134

約数の個数: 40

約数和(自身を含む): 577271640

約数和(自身を除く): 320475882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 331, 662, 993, 1986, 2979, 4789, 5958, 8937, 9578, 14367, 17874, 26811, 28734, 43101, 53622, 86202, 129303, 258606, 387909, 775818, 1585159, 3170318, 4755477, 9510954, 14266431, 28532862, 42799293, 85598586, 128397879, 256795758]

約数ペア:

[(1, 256795758), (2, 128397879), (3, 85598586), (6, 42799293), (9, 28532862), (18, 14266431), (27, 9510954), (54, 4755477), (81, 3170318), (162, 1585159), (331, 775818), (662, 387909), (993, 258606), (1986, 129303), (2979, 86202), (4789, 53622), (5958, 43101), (8937, 28734), (9578, 26811), (14367, 17874)]