278317871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{48991}}^1$

素因数の和:49046

約数の個数: 16

約数和(自身を含む): 329226240

約数和(自身を除く): 50908369

約数列:

[1, 13, 19, 23, 247, 299, 437, 5681, 48991, 636883, 930829, 1126793, 12100777, 14648309, 21409067, 278317871]

約数ペア:

[(1, 278317871), (13, 21409067), (19, 14648309), (23, 12100777), (247, 1126793), (299, 930829), (437, 636883), (5681, 48991)]