257693744

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29881}}^1$

素因数の和:29914

約数の個数: 60

約数和(自身を含む): 633617928

約数和(自身を除く): 375924184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 29881, 59762, 119524, 209167, 239048, 328691, 418334, 478096, 657382, 836668, 1314764, 1464169, 1673336, 2300837, 2629528, 2928338, 3346672, 4601674, 5259056, 5856676, 9203348, 11713352, 16105859, 18406696, 23426704, 32211718, 36813392, 64423436, 128846872, 257693744]

約数ペア:

[(1, 257693744), (2, 128846872), (4, 64423436), (7, 36813392), (8, 32211718), (11, 23426704), (14, 18406696), (16, 16105859), (22, 11713352), (28, 9203348), (44, 5856676), (49, 5259056), (56, 4601674), (77, 3346672), (88, 2928338), (98, 2629528), (112, 2300837), (154, 1673336), (176, 1464169), (196, 1314764), (308, 836668), (392, 657382), (539, 478096), (616, 418334), (784, 328691), (1078, 239048), (1232, 209167), (2156, 119524), (4312, 59762), (8624, 29881)]