56157805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 75955968

約数和(自身を除く): 19798163

約数列:

[1, 5, 11, 55, 71, 73, 197, 355, 365, 781, 803, 985, 2167, 3905, 4015, 5183, 10835, 13987, 14381, 25915, 57013, 69935, 71905, 153857, 158191, 285065, 769285, 790955, 1021051, 5105255, 11231561, 56157805]

約数ペア:

[(1, 56157805), (5, 11231561), (11, 5105255), (55, 1021051), (71, 790955), (73, 769285), (197, 285065), (355, 158191), (365, 153857), (781, 71905), (803, 69935), (985, 57013), (2167, 25915), (3905, 14381), (4015, 13987), (5183, 10835)]