1293691

素因数分解:

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

素因数の和:234

約数の個数: 16

約数和(自身を含む): 1589760

約数和(自身を除く): 296069

約数列:

[1, 7, 19, 71, 133, 137, 497, 959, 1349, 2603, 9443, 9727, 18221, 68089, 184813, 1293691]

約数ペア:

[(1, 1293691), (7, 184813), (19, 68089), (71, 18221), (133, 9727), (137, 9443), (497, 2603), (959, 1349)]