256939888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{845197}}^1$

素因数の和:845224

約数の個数: 20

約数和(自身を含む): 524022760

約数和(自身を除く): 267082872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 845197, 1690394, 3380788, 6761576, 13523152, 16058743, 32117486, 64234972, 128469944, 256939888]

約数ペア:

[(1, 256939888), (2, 128469944), (4, 64234972), (8, 32117486), (16, 16058743), (19, 13523152), (38, 6761576), (76, 3380788), (152, 1690394), (304, 845197)]