78720496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{258949}}^1$

素因数の和:258976

約数の個数: 20

約数和(自身を含む): 160549000

約数和(自身を除く): 81828504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 258949, 517898, 1035796, 2071592, 4143184, 4920031, 9840062, 19680124, 39360248, 78720496]

約数ペア:

[(1, 78720496), (2, 39360248), (4, 19680124), (8, 9840062), (16, 4920031), (19, 4143184), (38, 2071592), (76, 1035796), (152, 517898), (304, 258949)]