257438239

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1471}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 277442560

約数和(自身を除く): 20004321

約数列:

[1, 19, 61, 151, 1159, 1471, 2869, 9211, 27949, 89731, 175009, 222121, 1704889, 4220299, 13549381, 257438239]

約数ペア:

[(1, 257438239), (19, 13549381), (61, 4220299), (151, 1704889), (1159, 222121), (1471, 175009), (2869, 89731), (9211, 27949)]