128889008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{423977}}^1$

素因数の和:424004

約数の個数: 20

約数和(自身を含む): 262866360

約数和(自身を除く): 133977352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 423977, 847954, 1695908, 3391816, 6783632, 8055563, 16111126, 32222252, 64444504, 128889008]

約数ペア:

[(1, 128889008), (2, 64444504), (4, 32222252), (8, 16111126), (16, 8055563), (19, 6783632), (38, 3391816), (76, 1695908), (152, 847954), (304, 423977)]