128875552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{309797}}^1$

素因数の和:309820

約数の個数: 24

約数和(自身を含む): 273241836

約数和(自身を除く): 144366284

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 309797, 619594, 1239188, 2478376, 4027361, 4956752, 8054722, 9913504, 16109444, 32218888, 64437776, 128875552]

約数ペア:

[(1, 128875552), (2, 64437776), (4, 32218888), (8, 16109444), (13, 9913504), (16, 8054722), (26, 4956752), (32, 4027361), (52, 2478376), (104, 1239188), (208, 619594), (416, 309797)]