28197904

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1129}}^1$

素因数の和:1367

約数の個数: 40

約数和(自身を含む): 62773760

約数和(自身を除く): 34575856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1129, 1561, 1784, 2258, 3122, 3568, 4516, 6244, 7903, 9032, 12488, 15806, 18064, 24976, 31612, 63224, 126448, 251767, 503534, 1007068, 1762369, 2014136, 3524738, 4028272, 7049476, 14098952, 28197904]

約数ペア:

[(1, 28197904), (2, 14098952), (4, 7049476), (7, 4028272), (8, 3524738), (14, 2014136), (16, 1762369), (28, 1007068), (56, 503534), (112, 251767), (223, 126448), (446, 63224), (892, 31612), (1129, 24976), (1561, 18064), (1784, 15806), (2258, 12488), (3122, 9032), (3568, 7903), (4516, 6244)]