256988779

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{1201}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 279883296

約数和(自身を除く): 22894517

約数列:

[1, 17, 41, 307, 697, 1201, 5219, 12587, 20417, 49241, 213979, 368707, 837097, 6268019, 15116987, 256988779]

約数ペア:

[(1, 256988779), (17, 15116987), (41, 6268019), (307, 837097), (697, 368707), (1201, 213979), (5219, 49241), (12587, 20417)]