40104421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 50872320

約数和(自身を除く): 10767899

約数列:

[1, 7, 19, 31, 71, 133, 137, 217, 497, 589, 959, 1349, 2201, 2603, 4123, 4247, 9443, 9727, 15407, 18221, 29729, 41819, 68089, 80693, 184813, 292733, 301537, 564851, 1293691, 2110759, 5729203, 40104421]

約数ペア:

[(1, 40104421), (7, 5729203), (19, 2110759), (31, 1293691), (71, 564851), (133, 301537), (137, 292733), (217, 184813), (497, 80693), (589, 68089), (959, 41819), (1349, 29729), (2201, 18221), (2603, 15407), (4123, 9727), (4247, 9443)]