28958426

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 23296294

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 647, 973, 1294, 1946, 3197, 4529, 6394, 9058, 14881, 22379, 29762, 44758, 89933, 104167, 179866, 208334, 629531, 1259062, 2068459, 4136918, 14479213, 28958426]

約数ペア:

[(1, 28958426), (2, 14479213), (7, 4136918), (14, 2068459), (23, 1259062), (46, 629531), (139, 208334), (161, 179866), (278, 104167), (322, 89933), (647, 44758), (973, 29762), (1294, 22379), (1946, 14881), (3197, 9058), (4529, 6394)]