128530948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20771}}^1$

素因数の和:20812

約数の個数: 48

約数和(自身を含む): 293134464

約数和(自身を除く): 164603516

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 6188, 20771, 41542, 83084, 145397, 270023, 290794, 353107, 540046, 581588, 706214, 1080092, 1412428, 1890161, 2471749, 3780322, 4590391, 4943498, 7560644, 9180782, 9886996, 18361564, 32132737, 64265474, 128530948]

約数ペア:

[(1, 128530948), (2, 64265474), (4, 32132737), (7, 18361564), (13, 9886996), (14, 9180782), (17, 7560644), (26, 4943498), (28, 4590391), (34, 3780322), (52, 2471749), (68, 1890161), (91, 1412428), (119, 1080092), (182, 706214), (221, 581588), (238, 540046), (364, 353107), (442, 290794), (476, 270023), (884, 145397), (1547, 83084), (3094, 41542), (6188, 20771)]