28860538

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 52752384

約数和(自身を除く): 23891846

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1907, 2162, 3814, 7567, 13349, 15134, 26698, 43861, 87722, 89629, 179258, 307027, 614054, 627403, 1254806, 2061467, 4122934, 14430269, 28860538]

約数ペア:

[(1, 28860538), (2, 14430269), (7, 4122934), (14, 2061467), (23, 1254806), (46, 627403), (47, 614054), (94, 307027), (161, 179258), (322, 89629), (329, 87722), (658, 43861), (1081, 26698), (1907, 15134), (2162, 13349), (3814, 7567)]