297138905

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 417415680

約数和(自身を除く): 120276775

約数列:

[1, 5, 7, 35, 71, 109, 355, 497, 545, 763, 1097, 2485, 3815, 5485, 7679, 7739, 38395, 38695, 54173, 77887, 119573, 270865, 389435, 545209, 597865, 837011, 2726045, 4185055, 8489683, 42448415, 59427781, 297138905]

約数ペア:

[(1, 297138905), (5, 59427781), (7, 42448415), (35, 8489683), (71, 4185055), (109, 2726045), (355, 837011), (497, 597865), (545, 545209), (763, 389435), (1097, 270865), (2485, 119573), (3815, 77887), (5485, 54173), (7679, 38695), (7739, 38395)]