398977358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{120829}}^1$

素因数の和:120971

約数の個数: 16

約数和(自身を含む): 649582080

約数和(自身を除く): 250604722

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 120829, 241658, 1570777, 3141554, 15345283, 30690566, 199488679, 398977358]

約数ペア:

[(1, 398977358), (2, 199488679), (13, 30690566), (26, 15345283), (127, 3141554), (254, 1570777), (1651, 241658), (3302, 120829)]