138944336

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4909}}^1$

素因数の和:5007

約数の個数: 40

約数和(自身を含む): 283110600

約数和(自身を除く): 144166264

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 976, 1769, 3538, 4909, 7076, 9818, 14152, 19636, 28304, 39272, 78544, 142361, 284722, 299449, 569444, 598898, 1138888, 1197796, 2277776, 2395592, 4791184, 8684021, 17368042, 34736084, 69472168, 138944336]

約数ペア:

[(1, 138944336), (2, 69472168), (4, 34736084), (8, 17368042), (16, 8684021), (29, 4791184), (58, 2395592), (61, 2277776), (116, 1197796), (122, 1138888), (232, 598898), (244, 569444), (464, 299449), (488, 284722), (976, 142361), (1769, 78544), (3538, 39272), (4909, 28304), (7076, 19636), (9818, 14152)]