161856128

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4265

約数の個数: 64

約数和(自身を含む): 377171520

約数和(自身を除く): 215315392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 301, 344, 448, 602, 688, 896, 1204, 1376, 2408, 2752, 4201, 4816, 5504, 8402, 9632, 16804, 19264, 29407, 33608, 38528, 58814, 67216, 117628, 134432, 180643, 235256, 268864, 361286, 470512, 537728, 722572, 941024, 1264501, 1445144, 1882048, 2529002, 2890288, 3764096, 5058004, 5780576, 10116008, 11561152, 20232016, 23122304, 40464032, 80928064, 161856128]

約数ペア:

[(1, 161856128), (2, 80928064), (4, 40464032), (7, 23122304), (8, 20232016), (14, 11561152), (16, 10116008), (28, 5780576), (32, 5058004), (43, 3764096), (56, 2890288), (64, 2529002), (86, 1882048), (112, 1445144), (128, 1264501), (172, 941024), (224, 722572), (301, 537728), (344, 470512), (448, 361286), (602, 268864), (688, 235256), (896, 180643), (1204, 134432), (1376, 117628), (2408, 67216), (2752, 58814), (4201, 38528), (4816, 33608), (5504, 29407), (8402, 19264), (9632, 16804)]