28692378

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 74535552

約数和(自身を除く): 45843174

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 71, 78, 99, 117, 142, 143, 157, 198, 213, 234, 286, 314, 426, 429, 471, 639, 781, 858, 923, 942, 1278, 1287, 1413, 1562, 1727, 1846, 2041, 2343, 2574, 2769, 2826, 3454, 4082, 4686, 5181, 5538, 6123, 7029, 8307, 10153, 10362, 11147, 12246, 14058, 15543, 16614, 18369, 20306, 22294, 22451, 30459, 31086, 33441, 36738, 44902, 60918, 66882, 67353, 91377, 100323, 122617, 134706, 144911, 182754, 200646, 202059, 245234, 289822, 367851, 404118, 434733, 735702, 869466, 1103553, 1304199, 1594021, 2207106, 2608398, 3188042, 4782063, 9564126, 14346189, 28692378]

約数ペア:

[(1, 28692378), (2, 14346189), (3, 9564126), (6, 4782063), (9, 3188042), (11, 2608398), (13, 2207106), (18, 1594021), (22, 1304199), (26, 1103553), (33, 869466), (39, 735702), (66, 434733), (71, 404118), (78, 367851), (99, 289822), (117, 245234), (142, 202059), (143, 200646), (157, 182754), (198, 144911), (213, 134706), (234, 122617), (286, 100323), (314, 91377), (426, 67353), (429, 66882), (471, 60918), (639, 44902), (781, 36738), (858, 33441), (923, 31086), (942, 30459), (1278, 22451), (1287, 22294), (1413, 20306), (1562, 18369), (1727, 16614), (1846, 15543), (2041, 14058), (2343, 12246), (2574, 11147), (2769, 10362), (2826, 10153), (3454, 8307), (4082, 7029), (4686, 6123), (5181, 5538)]