128921352

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{15661}}^1$

素因数の和:15691

約数の個数: 64

約数和(自身を含む): 375888000

約数和(自身を除く): 246966648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 15661, 31322, 46983, 62644, 93966, 109627, 125288, 187932, 219254, 328881, 375864, 438508, 657762, 767389, 877016, 1315524, 1534778, 2302167, 2631048, 3069556, 4604334, 5371723, 6139112, 9208668, 10743446, 16115169, 18417336, 21486892, 32230338, 42973784, 64460676, 128921352]

約数ペア:

[(1, 128921352), (2, 64460676), (3, 42973784), (4, 32230338), (6, 21486892), (7, 18417336), (8, 16115169), (12, 10743446), (14, 9208668), (21, 6139112), (24, 5371723), (28, 4604334), (42, 3069556), (49, 2631048), (56, 2302167), (84, 1534778), (98, 1315524), (147, 877016), (168, 767389), (196, 657762), (294, 438508), (343, 375864), (392, 328881), (588, 219254), (686, 187932), (1029, 125288), (1176, 109627), (1372, 93966), (2058, 62644), (2744, 46983), (4116, 31322), (8232, 15661)]