28981232

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13619}}^1$

素因数の和:13653

約数の個数: 40

約数和(自身を含む): 67555200

約数和(自身を除く): 38573968

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 13619, 27238, 54476, 95333, 108952, 190666, 217904, 258761, 381332, 517522, 762664, 1035044, 1525328, 1811327, 2070088, 3622654, 4140176, 7245308, 14490616, 28981232]

約数ペア:

[(1, 28981232), (2, 14490616), (4, 7245308), (7, 4140176), (8, 3622654), (14, 2070088), (16, 1811327), (19, 1525328), (28, 1035044), (38, 762664), (56, 517522), (76, 381332), (112, 258761), (133, 217904), (152, 190666), (266, 108952), (304, 95333), (532, 54476), (1064, 27238), (2128, 13619)]