128519405

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 193544640

約数和(自身を除く): 65025235

約数列:

[1, 5, 7, 17, 35, 49, 59, 85, 119, 245, 295, 413, 523, 595, 833, 1003, 2065, 2615, 2891, 3661, 4165, 5015, 7021, 8891, 14455, 18305, 25627, 30857, 35105, 44455, 49147, 62237, 128135, 154285, 215999, 245735, 311185, 435659, 524569, 1079995, 1511993, 2178295, 2622845, 3671983, 7559965, 18359915, 25703881, 128519405]

約数ペア:

[(1, 128519405), (5, 25703881), (7, 18359915), (17, 7559965), (35, 3671983), (49, 2622845), (59, 2178295), (85, 1511993), (119, 1079995), (245, 524569), (295, 435659), (413, 311185), (523, 245735), (595, 215999), (833, 154285), (1003, 128135), (2065, 62237), (2615, 49147), (2891, 44455), (3661, 35105), (4165, 30857), (5015, 25627), (7021, 18305), (8891, 14455)]