261569887792

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{244001761}}^1$

素因数の和:244001836

約数の個数: 20

約数和(自身を含む): 514355714296

約数和(自身を除く): 252785826504

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 244001761, 488003522, 976007044, 1952014088, 3904028176, 16348117987, 32696235974, 65392471948, 130784943896, 261569887792]

約数ペア:

[(1, 261569887792), (2, 130784943896), (4, 65392471948), (8, 32696235974), (16, 16348117987), (67, 3904028176), (134, 1952014088), (268, 976007044), (536, 488003522), (1072, 244001761)]