28240308

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 78633828

約数和(自身を除く): 50393520

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 53, 57, 76, 82, 106, 114, 123, 159, 164, 171, 212, 228, 246, 318, 342, 361, 369, 477, 492, 636, 684, 722, 738, 779, 954, 1007, 1083, 1444, 1476, 1558, 1908, 2014, 2166, 2173, 2337, 3021, 3116, 3249, 4028, 4332, 4346, 4674, 6042, 6498, 6519, 7011, 8692, 9063, 9348, 12084, 12996, 13038, 14022, 14801, 18126, 19133, 19557, 26076, 28044, 29602, 36252, 38266, 39114, 41287, 44403, 57399, 59204, 76532, 78228, 82574, 88806, 114798, 123861, 133209, 165148, 172197, 177612, 229596, 247722, 266418, 344394, 371583, 495444, 532836, 688788, 743166, 784453, 1486332, 1568906, 2353359, 3137812, 4706718, 7060077, 9413436, 14120154, 28240308]

約数ペア:

[(1, 28240308), (2, 14120154), (3, 9413436), (4, 7060077), (6, 4706718), (9, 3137812), (12, 2353359), (18, 1568906), (19, 1486332), (36, 784453), (38, 743166), (41, 688788), (53, 532836), (57, 495444), (76, 371583), (82, 344394), (106, 266418), (114, 247722), (123, 229596), (159, 177612), (164, 172197), (171, 165148), (212, 133209), (228, 123861), (246, 114798), (318, 88806), (342, 82574), (361, 78228), (369, 76532), (477, 59204), (492, 57399), (636, 44403), (684, 41287), (722, 39114), (738, 38266), (779, 36252), (954, 29602), (1007, 28044), (1083, 26076), (1444, 19557), (1476, 19133), (1558, 18126), (1908, 14801), (2014, 14022), (2166, 13038), (2173, 12996), (2337, 12084), (3021, 9348), (3116, 9063), (3249, 8692), (4028, 7011), (4332, 6519), (4346, 6498), (4674, 6042)]