261000128

素因数分解:

$2^6\times {\mathrm{419}}^1\times {\mathrm{9733}}^1$

素因数の和:10164

約数の個数: 28

約数和(自身を含む): 519211560

約数和(自身を除く): 258211432

約数列:

[1, 2, 4, 8, 16, 32, 64, 419, 838, 1676, 3352, 6704, 9733, 13408, 19466, 26816, 38932, 77864, 155728, 311456, 622912, 4078127, 8156254, 16312508, 32625016, 65250032, 130500064, 261000128]

約数ペア:

[(1, 261000128), (2, 130500064), (4, 65250032), (8, 32625016), (16, 16312508), (32, 8156254), (64, 4078127), (419, 622912), (838, 311456), (1676, 155728), (3352, 77864), (6704, 38932), (9733, 26816), (13408, 19466)]