28290636

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 78624000

約数和(自身を除く): 50333364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 199, 359, 396, 398, 597, 718, 796, 1077, 1194, 1436, 1791, 2154, 2189, 2388, 3231, 3582, 3949, 4308, 4378, 6462, 6567, 7164, 7898, 8756, 11847, 12924, 13134, 15796, 19701, 23694, 26268, 35541, 39402, 47388, 71082, 71441, 78804, 142164, 142882, 214323, 285764, 428646, 642969, 785851, 857292, 1285938, 1571702, 2357553, 2571876, 3143404, 4715106, 7072659, 9430212, 14145318, 28290636]

約数ペア:

[(1, 28290636), (2, 14145318), (3, 9430212), (4, 7072659), (6, 4715106), (9, 3143404), (11, 2571876), (12, 2357553), (18, 1571702), (22, 1285938), (33, 857292), (36, 785851), (44, 642969), (66, 428646), (99, 285764), (132, 214323), (198, 142882), (199, 142164), (359, 78804), (396, 71441), (398, 71082), (597, 47388), (718, 39402), (796, 35541), (1077, 26268), (1194, 23694), (1436, 19701), (1791, 15796), (2154, 13134), (2189, 12924), (2388, 11847), (3231, 8756), (3582, 7898), (3949, 7164), (4308, 6567), (4378, 6462)]