81453334

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{2371}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 124245360

約数和(自身を除く): 42792026

約数列:

[1, 2, 89, 178, 193, 386, 2371, 4742, 17177, 34354, 211019, 422038, 457603, 915206, 40726667, 81453334]

約数ペア:

[(1, 81453334), (2, 40726667), (89, 915206), (178, 457603), (193, 422038), (386, 211019), (2371, 34354), (4742, 17177)]