209121588

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 594797280

約数和(自身を除く): 385675692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 131, 156, 162, 234, 262, 324, 351, 379, 393, 468, 524, 702, 758, 786, 1053, 1137, 1179, 1404, 1516, 1572, 1703, 2106, 2274, 2358, 3406, 3411, 3537, 4212, 4548, 4716, 4927, 5109, 6812, 6822, 7074, 9854, 10218, 10233, 10611, 13644, 14148, 14781, 15327, 19708, 20436, 20466, 21222, 29562, 30654, 30699, 40932, 42444, 44343, 45981, 49649, 59124, 61308, 61398, 88686, 91962, 99298, 122796, 133029, 137943, 148947, 177372, 183924, 198596, 266058, 275886, 297894, 399087, 446841, 532116, 551772, 595788, 645437, 798174, 893682, 1290874, 1340523, 1596348, 1787364, 1936311, 2581748, 2681046, 3872622, 4021569, 5362092, 5808933, 7745244, 8043138, 11617866, 16086276, 17426799, 23235732, 34853598, 52280397, 69707196, 104560794, 209121588]

約数ペア:

[(1, 209121588), (2, 104560794), (3, 69707196), (4, 52280397), (6, 34853598), (9, 23235732), (12, 17426799), (13, 16086276), (18, 11617866), (26, 8043138), (27, 7745244), (36, 5808933), (39, 5362092), (52, 4021569), (54, 3872622), (78, 2681046), (81, 2581748), (108, 1936311), (117, 1787364), (131, 1596348), (156, 1340523), (162, 1290874), (234, 893682), (262, 798174), (324, 645437), (351, 595788), (379, 551772), (393, 532116), (468, 446841), (524, 399087), (702, 297894), (758, 275886), (786, 266058), (1053, 198596), (1137, 183924), (1179, 177372), (1404, 148947), (1516, 137943), (1572, 133029), (1703, 122796), (2106, 99298), (2274, 91962), (2358, 88686), (3406, 61398), (3411, 61308), (3537, 59124), (4212, 49649), (4548, 45981), (4716, 44343), (4927, 42444), (5109, 40932), (6812, 30699), (6822, 30654), (7074, 29562), (9854, 21222), (10218, 20466), (10233, 20436), (10611, 19708), (13644, 15327), (14148, 14781)]