39986390128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{145477}}^1$

素因数の和:145945

約数の個数: 40

約数和(自身を含む): 79553189520

約数和(自身を除く): 39566799392

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 419, 656, 838, 1676, 3352, 6704, 17179, 34358, 68716, 137432, 145477, 274864, 290954, 581908, 1163816, 2327632, 5964557, 11929114, 23858228, 47716456, 60954863, 95432912, 121909726, 243819452, 487638904, 975277808, 2499149383, 4998298766, 9996597532, 19993195064, 39986390128]

約数ペア:

[(1, 39986390128), (2, 19993195064), (4, 9996597532), (8, 4998298766), (16, 2499149383), (41, 975277808), (82, 487638904), (164, 243819452), (328, 121909726), (419, 95432912), (656, 60954863), (838, 47716456), (1676, 23858228), (3352, 11929114), (6704, 5964557), (17179, 2327632), (34358, 1163816), (68716, 581908), (137432, 290954), (145477, 274864)]