28765792

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 62705664

約数和(自身を除く): 33939872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 1136, 1151, 1562, 2272, 2302, 3124, 4604, 6248, 9208, 12496, 12661, 18416, 24992, 25322, 36832, 50644, 81721, 101288, 163442, 202576, 326884, 405152, 653768, 898931, 1307536, 1797862, 2615072, 3595724, 7191448, 14382896, 28765792]

約数ペア:

[(1, 28765792), (2, 14382896), (4, 7191448), (8, 3595724), (11, 2615072), (16, 1797862), (22, 1307536), (32, 898931), (44, 653768), (71, 405152), (88, 326884), (142, 202576), (176, 163442), (284, 101288), (352, 81721), (568, 50644), (781, 36832), (1136, 25322), (1151, 24992), (1562, 18416), (2272, 12661), (2302, 12496), (3124, 9208), (4604, 6248)]