78438517

素因数分解:

${\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 84240000

約数和(自身を除く): 5801483

約数列:

[1, 19, 103, 149, 269, 1957, 2831, 5111, 15347, 27707, 40081, 291593, 526433, 761539, 4128343, 78438517]

約数ペア:

[(1, 78438517), (19, 4128343), (103, 761539), (149, 526433), (269, 291593), (1957, 40081), (2831, 27707), (5111, 15347)]