256327921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 276203520

約数和(自身を除く): 19875599

約数列:

[1, 17, 89, 191, 887, 1513, 3247, 15079, 16999, 78943, 169417, 288983, 1342031, 2880089, 15078113, 256327921]

約数ペア:

[(1, 256327921), (17, 15078113), (89, 2880089), (191, 1342031), (887, 288983), (1513, 169417), (3247, 78943), (15079, 16999)]