28467738

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 72

約数和(自身を含む): 70312788

約数和(自身を除く): 41845050

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 337, 342, 361, 494, 674, 722, 741, 1011, 1083, 1482, 2022, 2166, 2223, 3033, 3249, 4381, 4446, 4693, 6066, 6403, 6498, 8762, 9386, 12806, 13143, 14079, 19209, 26286, 28158, 38418, 39429, 42237, 57627, 78858, 83239, 84474, 115254, 121657, 166478, 243314, 249717, 364971, 499434, 729942, 749151, 1094913, 1498302, 1581541, 2189826, 3163082, 4744623, 9489246, 14233869, 28467738]

約数ペア:

[(1, 28467738), (2, 14233869), (3, 9489246), (6, 4744623), (9, 3163082), (13, 2189826), (18, 1581541), (19, 1498302), (26, 1094913), (38, 749151), (39, 729942), (57, 499434), (78, 364971), (114, 249717), (117, 243314), (171, 166478), (234, 121657), (247, 115254), (337, 84474), (342, 83239), (361, 78858), (494, 57627), (674, 42237), (722, 39429), (741, 38418), (1011, 28158), (1083, 26286), (1482, 19209), (2022, 14079), (2166, 13143), (2223, 12806), (3033, 9386), (3249, 8762), (4381, 6498), (4446, 6403), (4693, 6066)]