128959256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{519997}}^1$

素因数の和:520034

約数の個数: 16

約数和(自身を含む): 249599040

約数和(自身を除く): 120639784

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 519997, 1039994, 2079988, 4159976, 16119907, 32239814, 64479628, 128959256]

約数ペア:

[(1, 128959256), (2, 64479628), (4, 32239814), (8, 16119907), (31, 4159976), (62, 2079988), (124, 1039994), (248, 519997)]