128464496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{259001}}^1$

素因数の和:259040

約数の個数: 20

約数和(自身を含む): 256929984

約数和(自身を除く): 128465488

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 259001, 518002, 1036004, 2072008, 4144016, 8029031, 16058062, 32116124, 64232248, 128464496]

約数ペア:

[(1, 128464496), (2, 64232248), (4, 32116124), (8, 16058062), (16, 8029031), (31, 4144016), (62, 2072008), (124, 1036004), (248, 518002), (496, 259001)]