257745293

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{1723}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 286156416

約数和(自身を除く): 28411123

約数列:

[1, 13, 37, 311, 481, 1723, 4043, 11507, 22399, 63751, 149591, 535853, 828763, 6966089, 19826561, 257745293]

約数ペア:

[(1, 257745293), (13, 19826561), (37, 6966089), (311, 828763), (481, 535853), (1723, 149591), (4043, 63751), (11507, 22399)]