127919989

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 141826488

約数和(自身を除く): 13906499

約数列:

[1, 19, 37, 61, 157, 361, 703, 1159, 2257, 2983, 5809, 9577, 13357, 22021, 42883, 56677, 110371, 181963, 354349, 814777, 2097049, 3457297, 6732631, 127919989]

約数ペア:

[(1, 127919989), (19, 6732631), (37, 3457297), (61, 2097049), (157, 814777), (361, 354349), (703, 181963), (1159, 110371), (2257, 56677), (2983, 42883), (5809, 22021), (9577, 13357)]