256399359

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1\times {\mathrm{883}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 345057024

約数和(自身を除く): 88657665

約数列:

[1, 3, 151, 453, 641, 883, 1923, 2649, 96791, 133333, 290373, 399999, 566003, 1698009, 85466453, 256399359]

約数ペア:

[(1, 256399359), (3, 85466453), (151, 1698009), (453, 566003), (641, 399999), (883, 290373), (1923, 133333), (2649, 96791)]